55456146 has 24 divisors (see below), whose sum is σ = 122713344. Its totient is φ = 18091800.

The previous prime is 55456133. The next prime is 55456147. The reversal of 55456146 is 64165455.

55456146 is a `hidden beast` number, since 5 + 54 + 561 + 46 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55456146.

It is not an unprimeable number, because it can be changed into a prime (55456147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31930 + ... + 33621.

It is an arithmetic number, because the mean of its divisors is an integer number (5113056).

Almost surely, 2^55456146 is an apocalyptic number.

55456146 is an abundant number, since it is smaller than the sum of its proper divisors (67257198).

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

55456146 is a wasteful number, since it uses less digits than its factorization.

55456146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65606 (or 65603 counting only the distinct ones).

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

The square root of 55456146 is about 7446.8883434627. Note that the first 3 decimals coincide. The cubic root of 55456146 is about 381.3436872328.

The spelling of 55456146 in words is "fifty-five million, four hundred fifty-six thousand, one hundred forty-six".