55893420 has 72 divisors (see below), whose sum is σ = 184962960. Its totient is φ = 13549440.

The previous prime is 55893419. The next prime is 55893491. The reversal of 55893420 is 2439855.

It is a super-3 number, since 3×55893420³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12135 + ... + 16094.

It is an arithmetic number, because the mean of its divisors is an integer number (2568930).

Almost surely, 2^55893420 is an apocalyptic number.

It is an amenable number.

55893420 is an abundant number, since it is smaller than the sum of its proper divisors (129069540).

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

55893420 is a wasteful number, since it uses less digits than its factorization.

55893420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28255 (or 28250 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 55893420 is about 7476.1902062481. The cubic root of 55893420 is about 382.3433678819.

It can be divided in two parts, 5589 and 3420, that added together give a palindrome (9009).

The spelling of 55893420 in words is "fifty-five million, eight hundred ninety-three thousand, four hundred twenty".