55345672 has 16 divisors (see below), whose sum is σ = 104412240. Its totient is φ = 27502416.

The previous prime is 55345669. The next prime is 55345723. The reversal of 55345672 is 27654355.

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, 19918 + ... + 22525.

It is an arithmetic number, because the mean of its divisors is an integer number (6525765).

Almost surely, 2^55345672 is an apocalyptic number.

It is an amenable number.

55345672 is a deficient number, since it is larger than the sum of its proper divisors (49066568).

55345672 is a wasteful number, since it uses less digits than its factorization.

55345672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42612 (or 42608 counting only the distinct ones).

The product of its digits is 126000, while the sum is 37.

The square root of 55345672 is about 7439.4671852223. The cubic root of 55345672 is about 381.0902944094.

It can be divided in two parts, 553 and 45672, that added together give a square (46225 = 215²).

The spelling of 55345672 in words is "fifty-five million, three hundred forty-five thousand, six hundred seventy-two".