55672357 has 8 divisors (see below), whose sum is σ = 60338936. Its totient is φ = 51060672.

The previous prime is 55672319. The next prime is 55672361. The reversal of 55672357 is 75327655.

It can be written as a sum of positive squares in 4 ways, for example, as 229441 + 55442916 = 479^2 + 7446^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-55672357 is a prime.

It is a super-2 number, since 2×55672357² = 6198822667870898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55672157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11598 + ... + 15679.

It is an arithmetic number, because the mean of its divisors is an integer number (7542367).

Almost surely, 2^55672357 is an apocalyptic number.

It is an amenable number.

55672357 is a deficient number, since it is larger than the sum of its proper divisors (4666579).

55672357 is a wasteful number, since it uses less digits than its factorization.

55672357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27447.

The product of its digits is 220500, while the sum is 40.

The square root of 55672357 is about 7461.3910901386. The cubic root of 55672357 is about 381.8386355548.

The spelling of 55672357 in words is "fifty-five million, six hundred seventy-two thousand, three hundred fifty-seven".