55510004540 has 12 divisors (see below), whose sum is σ = 116571009576. Its totient is φ = 22204001808.

The previous prime is 55510004527. The next prime is 55510004609. The reversal of 55510004540 is 4540001555.

It is a happy number.

It is a super-2 number, since 2×55510004540² (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, 1387750094 + ... + 1387750133.

It is an arithmetic number, because the mean of its divisors is an integer number (9714250798).

Almost surely, 2^55510004540 is an apocalyptic number.

It is an amenable number.

55510004540 is an abundant number, since it is smaller than the sum of its proper divisors (61061005036).

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

55510004540 is a wasteful number, since it uses less digits than its factorization.

55510004540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775500236 (or 2775500234 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 55510004540 in words is "fifty-five billion, five hundred ten million, four thousand, five hundred forty".