53021658486 has 32 divisors (see below), whose sum is σ = 107458997760. Its totient is φ = 17438245344.

The previous prime is 53021658439. The next prime is 53021658539. The reversal of 53021658486 is 68485612035.

It is a happy number.

53021658486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53021658486² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670221 + ... + 745143.

It is an arithmetic number, because the mean of its divisors is an integer number (3358093680).

Almost surely, 2^53021658486 is an apocalyptic number.

53021658486 is an abundant number, since it is smaller than the sum of its proper divisors (54437339274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53021658486 is a wasteful number, since it uses less digits than its factorization.

53021658486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76500.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 53021658486 in words is "fifty-three billion, twenty-one million, six hundred fifty-eight thousand, four hundred eighty-six".