55504020415 has 16 divisors (see below), whose sum is σ = 67000600800. Its totient is φ = 44139975552.

The previous prime is 55504020391. The next prime is 55504020449. The reversal of 55504020415 is 51402040555.

It is a cyclic number.

It is not a de Polignac number, because 55504020415 - 2¹⁵ = 55503987647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698541 + ... + 773929.

It is an arithmetic number, because the mean of its divisors is an integer number (4187537550).

Almost surely, 2^55504020415 is an apocalyptic number.

55504020415 is a deficient number, since it is larger than the sum of its proper divisors (11496580385).

55504020415 is a wasteful number, since it uses less digits than its factorization.

55504020415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76266.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 55504020415 in words is "fifty-five billion, five hundred four million, twenty thousand, four hundred fifteen".