55051896 has 16 divisors (see below), whose sum is σ = 137629800. Its totient is φ = 18350624.

The previous prime is 55051891. The next prime is 55051907. The reversal of 55051896 is 69815055.

It is a super-2 number, since 2×55051896² = 6061422506389632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55051891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146891 + ... + 1146938.

Almost surely, 2^55051896 is an apocalyptic number.

It is an amenable number.

55051896 is an abundant number, since it is smaller than the sum of its proper divisors (82577904).

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

55051896 is a wasteful number, since it uses less digits than its factorization.

55051896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293838 (or 2293834 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 55051896 is about 7419.6964897494. The cubic root of 55051896 is about 380.4148193974.

The spelling of 55051896 in words is "fifty-five million, fifty-one thousand, eight hundred ninety-six".