55249700401 has 32 divisors (see below), whose sum is σ = 66467358720. Its totient is φ = 44900545536.

The previous prime is 55249700393. The next prime is 55249700413. The reversal of 55249700401 is 10400794255.

It is not a de Polignac number, because 55249700401 - 2³ = 55249700393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55249700461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17610705 + ... + 17613841.

It is an arithmetic number, because the mean of its divisors is an integer number (2077104960).

Almost surely, 2^55249700401 is an apocalyptic number.

It is an amenable number.

55249700401 is a deficient number, since it is larger than the sum of its proper divisors (11217658319).

55249700401 is a wasteful number, since it uses less digits than its factorization.

55249700401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 55249700401 in words is "fifty-five billion, two hundred forty-nine million, seven hundred thousand, four hundred one".