556051001 has 8 divisors (see below), whose sum is σ = 614911584. Its totient is φ = 498575520.

The previous prime is 556050991. The next prime is 556051019. The reversal of 556051001 is 100150655.

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

It is a cyclic number.

It is not a de Polignac number, because 556051001 - 2¹⁴ = 556034617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556051021) 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, 345431 + ... + 347036.

It is an arithmetic number, because the mean of its divisors is an integer number (76863948).

Almost surely, 2^556051001 is an apocalyptic number.

It is an amenable number.

556051001 is a deficient number, since it is larger than the sum of its proper divisors (58860583).

556051001 is a wasteful number, since it uses less digits than its factorization.

556051001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692551.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 556051001 is about 23580.7336823942. The cubic root of 556051001 is about 822.3149935423.

The spelling of 556051001 in words is "five hundred fifty-six million, fifty-one thousand, one".