55858525 has 6 divisors (see below), whose sum is σ = 69264602. Its totient is φ = 44686800.

The previous prime is 55858519. The next prime is 55858529. The reversal of 55858525 is 52585855.

It can be written as a sum of positive squares in 3 ways, for example, as 11062276 + 44796249 = 3326^2 + 6693^2 .

It is not a de Polignac number, because 55858525 - 2¹⁷ = 55727453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55858529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117146 + ... + 1117195.

Almost surely, 2^55858525 is an apocalyptic number.

It is an amenable number.

55858525 is a deficient number, since it is larger than the sum of its proper divisors (13406077).

55858525 is a wasteful number, since it uses less digits than its factorization.

55858525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234351 (or 2234346 counting only the distinct ones).

The product of its digits is 400000, while the sum is 43.

The square root of 55858525 is about 7473.8560997654. The cubic root of 55858525 is about 382.2637839804.

The spelling of 55858525 in words is "fifty-five million, eight hundred fifty-eight thousand, five hundred twenty-five".