55411428 has 48 divisors (see below), whose sum is σ = 131947200. Its totient is φ = 18096000.

The previous prime is 55411403. The next prime is 55411441. The reversal of 55411428 is 82411455.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55411395 and 55411404.

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, 158598 + ... + 158946.

It is an arithmetic number, because the mean of its divisors is an integer number (2748900).

Almost surely, 2^55411428 is an apocalyptic number.

It is an amenable number.

55411428 is an abundant number, since it is smaller than the sum of its proper divisors (76535772).

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

55411428 is a wasteful number, since it uses less digits than its factorization.

55411428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 586 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 55411428 is about 7443.8852758489. The cubic root of 55411428 is about 381.2411586949.

The spelling of 55411428 in words is "fifty-five million, four hundred eleven thousand, four hundred twenty-eight".