59861591552 has 80 divisors (see below), whose sum is σ = 137611504800. Its totient is φ = 25482559488.

The previous prime is 59861591551. The next prime is 59861591557. The reversal of 59861591552 is 25519516895.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59861591551) 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, 477968 + ... + 590064.

It is an arithmetic number, because the mean of its divisors is an integer number (1720143810).

Almost surely, 2^59861591552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 59861591552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68805752400).

59861591552 is an abundant number, since it is smaller than the sum of its proper divisors (77749913248).

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

59861591552 is a wasteful number, since it uses less digits than its factorization.

59861591552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112271 (or 112255 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 56.

The spelling of 59861591552 in words is "fifty-nine billion, eight hundred sixty-one million, five hundred ninety-one thousand, five hundred fifty-two".