55833428 has 12 divisors (see below), whose sum is σ = 111666912. Its totient is φ = 23928600.

The previous prime is 55833409. The next prime is 55833461. The reversal of 55833428 is 82433855.

55833428 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55833391 and 55833400.

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, 996998 + ... + 997053.

It is an arithmetic number, because the mean of its divisors is an integer number (9305576).

Almost surely, 2^55833428 is an apocalyptic number.

It is an amenable number.

55833428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55833428 is a wasteful number, since it uses less digits than its factorization.

55833428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994062 (or 1994060 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 55833428 is about 7472.1769251002. The cubic root of 55833428 is about 382.2065255683.

The spelling of 55833428 in words is "fifty-five million, eight hundred thirty-three thousand, four hundred twenty-eight".