25724055 has 32 divisors (see below), whose sum is σ = 47232000. Its totient is φ = 11711232.

The previous prime is 25724029. The next prime is 25724057. The reversal of 25724055 is 55042752.

It is not a de Polignac number, because 25724055 - 2⁷ = 25723927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25724057) 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, 42646 + ... + 43244.

It is an arithmetic number, because the mean of its divisors is an integer number (1476000).

Almost surely, 2^25724055 is an apocalyptic number.

25724055 is a deficient number, since it is larger than the sum of its proper divisors (21507945).

25724055 is a wasteful number, since it uses less digits than its factorization.

25724055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 25724055 is about 5071.8887014602. Note that the first 3 decimals coincide. The cubic root of 25724055 is about 295.1978180999.

The spelling of 25724055 in words is "twenty-five million, seven hundred twenty-four thousand, fifty-five".