55757995 has 16 divisors (see below), whose sum is σ = 69304320. Its totient is φ = 43020000.

The previous prime is 55757993. The next prime is 55758007. The reversal of 55757995 is 59975755.

It is not a de Polignac number, because 55757995 - 2¹ = 55757993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55757993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73870 + ... + 74620.

It is an arithmetic number, because the mean of its divisors is an integer number (4331520).

Almost surely, 2^55757995 is an apocalyptic number.

55757995 is a deficient number, since it is larger than the sum of its proper divisors (13546325).

55757995 is a wasteful number, since it uses less digits than its factorization.

55757995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266.

The product of its digits is 2480625, while the sum is 52.

The square root of 55757995 is about 7467.1276271402. The cubic root of 55757995 is about 382.0343230035.

The spelling of 55757995 in words is "fifty-five million, seven hundred fifty-seven thousand, nine hundred ninety-five".