55051011516 has 24 divisors (see below), whose sum is σ = 128557425024. Its totient is φ = 18335327920.

The previous prime is 55051011487. The next prime is 55051011581. The reversal of 55051011516 is 61511015055.

It is a super-2 number, since 2×55051011516² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860870 + ... + 1890221.

It is an arithmetic number, because the mean of its divisors is an integer number (5356559376).

Almost surely, 2^55051011516 is an apocalyptic number.

It is an amenable number.

55051011516 is an abundant number, since it is smaller than the sum of its proper divisors (73506413508).

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

55051011516 is a wasteful number, since it uses less digits than its factorization.

55051011516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752321 (or 3752319 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 55051011516 in words is "fifty-five billion, fifty-one million, eleven thousand, five hundred sixteen".