55012374415 has 4 divisors (see below), whose sum is σ = 66014849304. Its totient is φ = 44009899528.

The previous prime is 55012374409. The next prime is 55012374419. The reversal of 55012374415 is 51447321055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55012374415 - 2¹⁵ = 55012341647 is a prime.

It is a super-2 number, since 2×55012374415² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55012374419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5501237437 + ... + 5501237446.

It is an arithmetic number, because the mean of its divisors is an integer number (16503712326).

Almost surely, 2^55012374415 is an apocalyptic number.

55012374415 is a deficient number, since it is larger than the sum of its proper divisors (11002474889).

55012374415 is a wasteful number, since it uses less digits than its factorization.

55012374415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11002474888.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 55012374415 in words is "fifty-five billion, twelve million, three hundred seventy-four thousand, four hundred fifteen".