55149487152 has 40 divisors (see below), whose sum is σ = 142521156336. Its totient is φ = 18376498176.

The previous prime is 55149487139. The next prime is 55149487157. The reversal of 55149487152 is 25178494155.

It is a super-2 number, since 2×55149487152² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55149487095 and 55149487104.

It is not an unprimeable number, because it can be changed into a prime (55149487157) 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, 73573 + ... + 340164.

Almost surely, 2^55149487152 is an apocalyptic number.

It is an amenable number.

55149487152 is an abundant number, since it is smaller than the sum of its proper divisors (87371669184).

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

55149487152 is a wasteful number, since it uses less digits than its factorization.

55149487152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416525 (or 416519 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 51.

The spelling of 55149487152 in words is "fifty-five billion, one hundred forty-nine million, four hundred eighty-seven thousand, one hundred fifty-two".