55731025 has 24 divisors (see below), whose sum is σ = 81534464. Its totient is φ = 36979200.

The previous prime is 55731019. The next prime is 55731041. The reversal of 55731025 is 52013755.

It is not a de Polignac number, because 55731025 - 2⁵ = 55730993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55730984 and 55731002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289 + ... + 10561.

Almost surely, 2^55731025 is an apocalyptic number.

It is an amenable number.

55731025 is a deficient number, since it is larger than the sum of its proper divisors (25803439).

55731025 is a wasteful number, since it uses less digits than its factorization.

55731025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321 (or 10316 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55731025 is about 7465.3214934121. The cubic root of 55731025 is about 381.9727167269.

The spelling of 55731025 in words is "fifty-five million, seven hundred thirty-one thousand, twenty-five".