55546416 has 30 divisors (see below), whose sum is σ = 155453220. Its totient is φ = 18515424.

The previous prime is 55546409. The next prime is 55546423. The reversal of 55546416 is 61464555.

55546416 is a `hidden beast` number, since 5 + 5 + 5 + 4 + 641 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (55546409) and next prime (55546423).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192726 + ... + 193013.

It is an arithmetic number, because the mean of its divisors is an integer number (5181774).

Almost surely, 2^55546416 is an apocalyptic number.

It is an amenable number.

55546416 is an abundant number, since it is smaller than the sum of its proper divisors (99906804).

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

55546416 is a wasteful number, since it uses less digits than its factorization.

55546416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385753 (or 385744 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 55546416 is about 7452.9467997565. The cubic root of 55546416 is about 381.5504886781.

It can be divided in two parts, 555 and 46416, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 55546416 in words is "fifty-five million, five hundred forty-six thousand, four hundred sixteen".