52015783 has 4 divisors (see below), whose sum is σ = 52600320. Its totient is φ = 51431248.

The previous prime is 52015759. The next prime is 52015823. The reversal of 52015783 is 38751025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52015783 is a prime.

It is a super-2 number, since 2×52015783² = 5411283362206178, 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 (52015703) 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, 292135 + ... + 292312.

It is an arithmetic number, because the mean of its divisors is an integer number (13150080).

Almost surely, 2^52015783 is an apocalyptic number.

52015783 is a deficient number, since it is larger than the sum of its proper divisors (584537).

52015783 is an equidigital number, since it uses as much as digits as its factorization.

52015783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584536.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 52015783 is about 7212.1968220508. The cubic root of 52015783 is about 373.2888748256.

The spelling of 52015783 in words is "fifty-two million, fifteen thousand, seven hundred eighty-three".