55672345 has 4 divisors (see below), whose sum is σ = 66806820. Its totient is φ = 44537872.

The previous prime is 55672319. The next prime is 55672361. The reversal of 55672345 is 54327655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13927824 + 41744521 = 3732^2 + 6461^2 .

It is a cyclic number.

It is not a de Polignac number, because 55672345 - 2⁷ = 55672217 is a prime.

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, 5567230 + ... + 5567239.

It is an arithmetic number, because the mean of its divisors is an integer number (16701705).

Almost surely, 2^55672345 is an apocalyptic number.

It is an amenable number.

55672345 is a deficient number, since it is larger than the sum of its proper divisors (11134475).

55672345 is a wasteful number, since it uses less digits than its factorization.

55672345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134474.

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

The square root of 55672345 is about 7461.3902859990. The cubic root of 55672345 is about 381.8386081201.

It can be divided in two parts, 55 and 672345, that added together give a square (672400 = 820²).

The spelling of 55672345 in words is "fifty-five million, six hundred seventy-two thousand, three hundred forty-five".