55061751188 has 12 divisors (see below), whose sum is σ = 96368755392. Its totient is φ = 27527821080.

The previous prime is 55061751109. The next prime is 55061751191. The reversal of 55061751188 is 88115716055.

It is a happy number.

It is a super-2 number, since 2×55061751188² (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 3 ways as a sum of consecutive naturals, for example, 722828 + ... + 795363.

It is an arithmetic number, because the mean of its divisors is an integer number (8030729616).

Almost surely, 2^55061751188 is an apocalyptic number.

It is an amenable number.

55061751188 is a deficient number, since it is larger than the sum of its proper divisors (41307004204).

55061751188 is a wasteful number, since it uses less digits than its factorization.

55061751188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527262 (or 1527260 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 47.

The spelling of 55061751188 in words is "fifty-five billion, sixty-one million, seven hundred fifty-one thousand, one hundred eighty-eight".