55394016 has 48 divisors (see below), whose sum is σ = 145805184. Its totient is φ = 18414464.

The previous prime is 55393999. The next prime is 55394021. The reversal of 55394016 is 61049355.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55861 + ... + 56843.

It is an arithmetic number, because the mean of its divisors is an integer number (3037608).

Almost surely, 2^55394016 is an apocalyptic number.

It is an amenable number.

55394016 is an abundant number, since it is smaller than the sum of its proper divisors (90411168).

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

55394016 is a wasteful number, since it uses less digits than its factorization.

55394016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 55394016 is about 7442.7156334231. The cubic root of 55394016 is about 381.2012218881.

The spelling of 55394016 in words is "fifty-five million, three hundred ninety-four thousand, sixteen".