52393870 has 16 divisors (see below), whose sum is σ = 94728528. Its totient is φ = 20864320.

The previous prime is 52393853. The next prime is 52393879. The reversal of 52393870 is 7839325.

It is a super-2 number, since 2×52393870² = 5490235227153800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52393879) 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 7 ways as a sum of consecutive naturals, for example, 9271 + ... + 13810.

It is an arithmetic number, because the mean of its divisors is an integer number (5920533).

Almost surely, 2^52393870 is an apocalyptic number.

52393870 is a deficient number, since it is larger than the sum of its proper divisors (42334658).

52393870 is a wasteful number, since it uses less digits than its factorization.

52393870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23315.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 52393870 is about 7238.3610023264. The cubic root of 52393870 is about 374.1911335851.

The spelling of 52393870 in words is "fifty-two million, three hundred ninety-three thousand, eight hundred seventy".