55990548 has 24 divisors (see below), whose sum is σ = 145160960. Its totient is φ = 18663480.

The previous prime is 55990541. The next prime is 55990553. The reversal of 55990548 is 84509955.

55990548 is a `hidden beast` number, since 5 + 599 + 0 + 54 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55990541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259108 + ... + 259323.

Almost surely, 2^55990548 is an apocalyptic number.

It is an amenable number.

55990548 is an abundant number, since it is smaller than the sum of its proper divisors (89170412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55990548 is a wasteful number, since it uses less digits than its factorization.

55990548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518444 (or 518436 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 55990548 is about 7482.6832085823. The cubic root of 55990548 is about 382.5647103129.

The spelling of 55990548 in words is "fifty-five million, nine hundred ninety thousand, five hundred forty-eight".