55757825 has 12 divisors (see below), whose sum is σ = 69244080. Its totient is φ = 44538960.

The previous prime is 55757803. The next prime is 55757833. The reversal of 55757825 is 52875755.

It is not a de Polignac number, because 55757825 - 2¹⁰ = 55756801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21446 + ... + 23904.

It is an arithmetic number, because the mean of its divisors is an integer number (5770340).

Almost surely, 2^55757825 is an apocalyptic number.

It is an amenable number.

55757825 is a deficient number, since it is larger than the sum of its proper divisors (13486255).

55757825 is a wasteful number, since it uses less digits than its factorization.

55757825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3371 counting only the distinct ones).

The product of its digits is 490000, while the sum is 44.

The square root of 55757825 is about 7467.1162439057. The cubic root of 55757825 is about 382.0339347429.

The spelling of 55757825 in words is "fifty-five million, seven hundred fifty-seven thousand, eight hundred twenty-five".