52391514 has 16 divisors (see below), whose sum is σ = 119752128. Its totient is φ = 14968992.

The previous prime is 52391513. The next prime is 52391527. The reversal of 52391514 is 41519325.

It is not an unprimeable number, because it can be changed into a prime (52391513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623667 + ... + 623750.

It is an arithmetic number, because the mean of its divisors is an integer number (7484508).

Almost surely, 2^52391514 is an apocalyptic number.

52391514 is an abundant number, since it is smaller than the sum of its proper divisors (67360614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52391514 is a wasteful number, since it uses less digits than its factorization.

52391514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247429.

The product of its digits is 5400, while the sum is 30.

The square root of 52391514 is about 7238.1982564724. The cubic root of 52391514 is about 374.1855247386.

The spelling of 52391514 in words is "fifty-two million, three hundred ninety-one thousand, five hundred fourteen".