55925545 has 8 divisors (see below), whose sum is σ = 72273096. Its totient is φ = 41298816.

The previous prime is 55925539. The next prime is 55925579. The reversal of 55925545 is 54552955.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9290304 + 46635241 = 3048^2 + 6829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55925545 - 2⁹ = 55925033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55925498 and 55925507.

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, 430132 + ... + 430261.

It is an arithmetic number, because the mean of its divisors is an integer number (9034137).

Almost surely, 2^55925545 is an apocalyptic number.

It is an amenable number.

55925545 is a deficient number, since it is larger than the sum of its proper divisors (16347551).

55925545 is a wasteful number, since it uses less digits than its factorization.

55925545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860411.

The product of its digits is 225000, while the sum is 40.

The square root of 55925545 is about 7478.3383849623. The cubic root of 55925545 is about 382.4166050551.

The spelling of 55925545 in words is "fifty-five million, nine hundred twenty-five thousand, five hundred forty-five".