55950420 has 48 divisors (see below), whose sum is σ = 159239808. Its totient is φ = 14674560.

The previous prime is 55950413. The next prime is 55950431. The reversal of 55950420 is 2405955.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3984 + ... + 11303.

It is an arithmetic number, because the mean of its divisors is an integer number (3317496).

Almost surely, 2^55950420 is an apocalyptic number.

It is an amenable number.

55950420 is an abundant number, since it is smaller than the sum of its proper divisors (103289388).

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

55950420 is a wasteful number, since it uses less digits than its factorization.

55950420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15360 (or 15358 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 55950420 is about 7480.0013368983. The cubic root of 55950420 is about 382.4732947309.

The spelling of 55950420 in words is "fifty-five million, nine hundred fifty thousand, four hundred twenty".