55382540 has 24 divisors (see below), whose sum is σ = 116756640. Its totient is φ = 22066688.

The previous prime is 55382539. The next prime is 55382557. The reversal of 55382540 is 4528355.

It is a junction number, because it is equal to n+sod(n) for n = 55382497 and 55382506.

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, 5 + ... + 10524.

It is an arithmetic number, because the mean of its divisors is an integer number (4864860).

Almost surely, 2^55382540 is an apocalyptic number.

It is an amenable number.

55382540 is an abundant number, since it is smaller than the sum of its proper divisors (61374100).

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

55382540 is a wasteful number, since it uses less digits than its factorization.

55382540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801 (or 10799 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 55382540 is about 7441.9446383321. The cubic root of 55382540 is about 381.1748955345.

The spelling of 55382540 in words is "fifty-five million, three hundred eighty-two thousand, five hundred forty".