57272955 has 16 divisors (see below), whose sum is σ = 91779360. Its totient is φ = 30498048.

The previous prime is 57272951. The next prime is 57272977. The reversal of 57272955 is 55927275.

It is a happy number.

It is not a de Polignac number, because 57272955 - 2² = 57272951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57272951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8391 + ... + 13599.

It is an arithmetic number, because the mean of its divisors is an integer number (5736210).

Almost surely, 2^57272955 is an apocalyptic number.

57272955 is a deficient number, since it is larger than the sum of its proper divisors (34506405).

57272955 is a wasteful number, since it uses less digits than its factorization.

57272955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950.

The product of its digits is 220500, while the sum is 42.

The square root of 57272955 is about 7567.8897322834. The cubic root of 57272955 is about 385.4634437049.

The spelling of 57272955 in words is "fifty-seven million, two hundred seventy-two thousand, nine hundred fifty-five".