55651525 has 12 divisors (see below), whose sum is σ = 70477632. Its totient is φ = 43573040.

The previous prime is 55651499. The next prime is 55651529. The reversal of 55651525 is 52515655.

It is not a de Polignac number, because 55651525 - 2⁷ = 55651397 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 (55651529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22507 + ... + 24856.

It is an arithmetic number, because the mean of its divisors is an integer number (5873136).

Almost surely, 2^55651525 is an apocalyptic number.

It is an amenable number.

55651525 is a deficient number, since it is larger than the sum of its proper divisors (14826107).

55651525 is a wasteful number, since it uses less digits than its factorization.

55651525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47420 (or 47415 counting only the distinct ones).

The product of its digits is 37500, while the sum is 34.

The square root of 55651525 is about 7459.9949731887. The cubic root of 55651525 is about 381.7910029699.

The spelling of 55651525 in words is "fifty-five million, six hundred fifty-one thousand, five hundred twenty-five".