57061953 has 12 divisors (see below), whose sum is σ = 88763220. Its totient is φ = 35114976.

The previous prime is 57061951. The next prime is 57061981. The reversal of 57061953 is 35916075.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23503104 + 33558849 = 4848^2 + 5793^2 .

It is not a de Polignac number, because 57061953 - 2¹ = 57061951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57061951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243738 + ... + 243971.

It is an arithmetic number, because the mean of its divisors is an integer number (7396935).

Almost surely, 2^57061953 is an apocalyptic number.

It is an amenable number.

57061953 is a deficient number, since it is larger than the sum of its proper divisors (31701267).

57061953 is a wasteful number, since it uses less digits than its factorization.

57061953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487728 (or 487725 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 57061953 is about 7553.9362586667. The cubic root of 57061953 is about 384.9894931635.

The spelling of 57061953 in words is "fifty-seven million, sixty-one thousand, nine hundred fifty-three".