55758057 has 32 divisors (see below), whose sum is σ = 80019456. Its totient is φ = 34473600.

The previous prime is 55758047. The next prime is 55758061. The reversal of 55758057 is 75085755.

It is a happy number.

It is not a de Polignac number, because 55758057 - 2⁶ = 55757993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55758007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291832 + ... + 292022.

It is an arithmetic number, because the mean of its divisors is an integer number (2500608).

Almost surely, 2^55758057 is an apocalyptic number.

It is an amenable number.

55758057 is a deficient number, since it is larger than the sum of its proper divisors (24261399).

55758057 is a wasteful number, since it uses less digits than its factorization.

55758057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 245000, while the sum is 42.

The square root of 55758057 is about 7467.1317786684. The cubic root of 55758057 is about 382.0344646042.

The spelling of 55758057 in words is "fifty-five million, seven hundred fifty-eight thousand, fifty-seven".