57503829 has 4 divisors (see below), whose sum is σ = 76671776. Its totient is φ = 38335884.

The previous prime is 57503759. The next prime is 57503837. The reversal of 57503829 is 92830575.

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 not a de Polignac number, because 57503829 - 2¹² = 57499733 is a prime.

It is a super-2 number, since 2×57503829² = 6613380699322482, 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 (57503869) 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, 9583969 + ... + 9583974.

It is an arithmetic number, because the mean of its divisors is an integer number (19167944).

Almost surely, 2^57503829 is an apocalyptic number.

It is an amenable number.

57503829 is a deficient number, since it is larger than the sum of its proper divisors (19167947).

57503829 is a wasteful number, since it uses less digits than its factorization.

57503829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19167946.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 57503829 is about 7583.1279166318. The cubic root of 57503829 is about 385.9806987405.

The spelling of 57503829 in words is "fifty-seven million, five hundred three thousand, eight hundred twenty-nine".