55925578 has 8 divisors (see below), whose sum is σ = 83940768. Its totient is φ = 27945324.

The previous prime is 55925539. The next prime is 55925579. The reversal of 55925578 is 87552955.

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

It is not an unprimeable number, because it can be changed into a prime (55925579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4276 + ... + 11407.

It is an arithmetic number, because the mean of its divisors is an integer number (10492596).

Almost surely, 2^55925578 is an apocalyptic number.

55925578 is a deficient number, since it is larger than the sum of its proper divisors (28015190).

55925578 is a wasteful number, since it uses less digits than its factorization.

55925578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17468.

The product of its digits is 630000, while the sum is 46.

The square root of 55925578 is about 7478.3405913344. The cubic root of 55925578 is about 382.4166802727.

The spelling of 55925578 in words is "fifty-five million, nine hundred twenty-five thousand, five hundred seventy-eight".