55992016 has 30 divisors (see below), whose sum is σ = 115250870. Its totient is φ = 26347008.

The previous prime is 55991987. The next prime is 55992017. The reversal of 55992016 is 61029955.

It can be written as a sum of positive squares in 3 ways, for example, as 42302016 + 13690000 = 6504^2 + 3700^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55992017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1431 + ... + 10678.

Almost surely, 2^55992016 is an apocalyptic number.

It is an amenable number.

55992016 is an abundant number, since it is smaller than the sum of its proper divisors (59258854).

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

55992016 is a wasteful number, since it uses less digits than its factorization.

55992016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151 (or 12128 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 55992016 is about 7482.7813010939. The cubic root of 55992016 is about 382.5680537349.

The spelling of 55992016 in words is "fifty-five million, nine hundred ninety-two thousand, sixteen".