55111492510 has 16 divisors (see below), whose sum is σ = 99271620000. Its totient is φ = 22028834016.

The previous prime is 55111492477. The next prime is 55111492529. The reversal of 55111492510 is 1529411155.

It is a super-2 number, since 2×55111492510² (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 7 ways as a sum of consecutive naturals, for example, 1955685 + ... + 1983664.

It is an arithmetic number, because the mean of its divisors is an integer number (6204476250).

Almost surely, 2^55111492510 is an apocalyptic number.

55111492510 is a deficient number, since it is larger than the sum of its proper divisors (44160127490).

55111492510 is a wasteful number, since it uses less digits than its factorization.

55111492510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940755.

The product of its (nonzero) digits is 9000, while the sum is 34.

The spelling of 55111492510 in words is "fifty-five billion, one hundred eleven million, four hundred ninety-two thousand, five hundred ten".