55260988 has 12 divisors (see below), whose sum is σ = 96867792. Its totient is φ = 27584480.

The previous prime is 55260893. The next prime is 55261007. The reversal of 55260988 is 88906255.

It is a super-2 number, since 2×55260988² = 6107553589472288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8728 + ... + 13663.

It is an arithmetic number, because the mean of its divisors is an integer number (8072316).

Almost surely, 2^55260988 is an apocalyptic number.

It is an amenable number.

55260988 is a deficient number, since it is larger than the sum of its proper divisors (41606804).

55260988 is a wasteful number, since it uses less digits than its factorization.

55260988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23012 (or 23010 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 55260988 is about 7433.7734697797. The cubic root of 55260988 is about 380.8958273856.

The spelling of 55260988 in words is "fifty-five million, two hundred sixty thousand, nine hundred eighty-eight".