55725410 has 16 divisors (see below), whose sum is σ = 108021816. Its totient is φ = 20575488.

The previous prime is 55725407. The next prime is 55725421. The reversal of 55725410 is 1452755.

It can be written as a sum of positive squares in 4 ways, for example, as 32982049 + 22743361 = 5743^2 + 4769^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214199 + ... + 214458.

Almost surely, 2^55725410 is an apocalyptic number.

55725410 is a deficient number, since it is larger than the sum of its proper divisors (52296406).

55725410 is a wasteful number, since it uses less digits than its factorization.

55725410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428677.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 55725410 is about 7464.9454117227. The cubic root of 55725410 is about 381.9598881523.

The spelling of 55725410 in words is "fifty-five million, seven hundred twenty-five thousand, four hundred ten".