55423672 has 16 divisors (see below), whose sum is σ = 110032560. Its totient is φ = 26081664.

The previous prime is 55423663. The next prime is 55423699. The reversal of 55423672 is 27632455.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 203628 + ... + 203899.

It is an arithmetic number, because the mean of its divisors is an integer number (6877035).

Almost surely, 2^55423672 is an apocalyptic number.

It is an amenable number.

55423672 is a deficient number, since it is larger than the sum of its proper divisors (54608888).

55423672 is a wasteful number, since it uses less digits than its factorization.

55423672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407550 (or 407546 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 55423672 is about 7444.7076504051. The cubic root of 55423672 is about 381.2692369761.

The spelling of 55423672 in words is "fifty-five million, four hundred twenty-three thousand, six hundred seventy-two".