55573525 has 12 divisors (see below), whose sum is σ = 78755872. Its totient is φ = 38107440.

The previous prime is 55573489. The next prime is 55573579. The reversal of 55573525 is 52537555.

It is not a de Polignac number, because 55573525 - 2¹⁹ = 55049237 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

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, 158607 + ... + 158956.

Almost surely, 2^55573525 is an apocalyptic number.

It is an amenable number.

55573525 is a deficient number, since it is larger than the sum of its proper divisors (23182347).

55573525 is a wasteful number, since it uses less digits than its factorization.

55573525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317580 (or 317575 counting only the distinct ones).

The product of its digits is 131250, while the sum is 37.

The square root of 55573525 is about 7454.7652545201. The cubic root of 55573525 is about 381.6125495077.

The spelling of 55573525 in words is "fifty-five million, five hundred seventy-three thousand, five hundred twenty-five".