55416416 has 24 divisors (see below), whose sum is σ = 119020104. Its totient is φ = 25189120.

The previous prime is 55416409. The next prime is 55416457. The reversal of 55416416 is 61461455.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 78365 + ... + 79068.

It is an arithmetic number, because the mean of its divisors is an integer number (4959171).

Almost surely, 2^55416416 is an apocalyptic number.

It is an amenable number.

55416416 is an abundant number, since it is smaller than the sum of its proper divisors (63603688).

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

55416416 is a wasteful number, since it uses less digits than its factorization.

55416416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157454 (or 157446 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 55416416 is about 7444.2203084003. The cubic root of 55416416 is about 381.2525978144.

The spelling of 55416416 in words is "fifty-five million, four hundred sixteen thousand, four hundred sixteen".