55619060 has 72 divisors (see below), whose sum is σ = 139727616. Its totient is φ = 18216000.

The previous prime is 55619041. The next prime is 55619089. The reversal of 55619060 is 6091655.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73685 + ... + 74435.

Almost surely, 2^55619060 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 55619060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69863808).

55619060 is an abundant number, since it is smaller than the sum of its proper divisors (84108556).

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

55619060 is a wasteful number, since it uses less digits than its factorization.

55619060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 55619060 is about 7457.8187159517. The cubic root of 55619060 is about 381.7167477066.

The spelling of 55619060 in words is "fifty-five million, six hundred nineteen thousand, sixty".