42430553 has 8 divisors (see below), whose sum is σ = 48724320. Its totient is φ = 36542880.

The previous prime is 42430543. The next prime is 42430571. The reversal of 42430553 is 35503424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42430553 - 2⁶ = 42430489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42430543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101300 + ... + 101717.

It is an arithmetic number, because the mean of its divisors is an integer number (6090540).

Almost surely, 2^42430553 is an apocalyptic number.

It is an amenable number.

42430553 is a deficient number, since it is larger than the sum of its proper divisors (6293767).

42430553 is a wasteful number, since it uses less digits than its factorization.

42430553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203047.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 42430553 is about 6513.8738857918. The cubic root of 42430553 is about 348.7864173205.

Adding to 42430553 its reverse (35503424), we get a palindrome (77933977).

The spelling of 42430553 in words is "forty-two million, four hundred thirty thousand, five hundred fifty-three".