57503953 has 4 divisors (see below), whose sum is σ = 61927348. Its totient is φ = 53080560.

The previous prime is 57503951. The next prime is 57503987. The reversal of 57503953 is 35930575.

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 25321024 + 32182929 = 5032^2 + 5673^2 .

It is not a de Polignac number, because 57503953 - 2¹ = 57503951 is a prime.

It is a super-2 number, since 2×57503953² = 6613409221252418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57503951) 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, 2211678 + ... + 2211703.

It is an arithmetic number, because the mean of its divisors is an integer number (15481837).

Almost surely, 2^57503953 is an apocalyptic number.

It is an amenable number.

57503953 is a deficient number, since it is larger than the sum of its proper divisors (4423395).

57503953 is a wasteful number, since it uses less digits than its factorization.

57503953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423394.

The product of its (nonzero) digits is 70875, while the sum is 37.

The square root of 57503953 is about 7583.1360926730. The cubic root of 57503953 is about 385.9809761804.

The spelling of 57503953 in words is "fifty-seven million, five hundred three thousand, nine hundred fifty-three".