55882040 has 32 divisors (see below), whose sum is σ = 132354000. Its totient is φ = 21176064.

The previous prime is 55882033. The next prime is 55882049. The reversal of 55882040 is 4028855.

It is a junction number, because it is equal to n+sod(n) for n = 55881988 and 55882006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55882049) 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, 36005 + ... + 37524.

Almost surely, 2^55882040 is an apocalyptic number.

It is an amenable number.

55882040 is an abundant number, since it is smaller than the sum of its proper divisors (76471960).

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

55882040 is a wasteful number, since it uses less digits than its factorization.

55882040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73559 (or 73555 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 55882040 is about 7475.4290846747. The cubic root of 55882040 is about 382.3174175234.

The spelling of 55882040 in words is "fifty-five million, eight hundred eighty-two thousand, forty".