57272433 has 4 divisors (see below), whose sum is σ = 76363248. Its totient is φ = 38181620.

The previous prime is 57272387. The next prime is 57272437. The reversal of 57272433 is 33427275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57272433 - 2⁸ = 57272177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57272394 and 57272403.

It is not an unprimeable number, because it can be changed into a prime (57272437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9545403 + ... + 9545408.

It is an arithmetic number, because the mean of its divisors is an integer number (19090812).

Almost surely, 2^57272433 is an apocalyptic number.

It is an amenable number.

57272433 is a deficient number, since it is larger than the sum of its proper divisors (19090815).

57272433 is a wasteful number, since it uses less digits than its factorization.

57272433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19090814.

The product of its digits is 35280, while the sum is 33.

The square root of 57272433 is about 7567.8552443873. The cubic root of 57272433 is about 385.4622726314.

The spelling of 57272433 in words is "fifty-seven million, two hundred seventy-two thousand, four hundred thirty-three".