52140374 has 16 divisors (see below), whose sum is σ = 91884240. Its totient is φ = 21876960.

The previous prime is 52140367. The next prime is 52140391. The reversal of 52140374 is 47304125.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90869 + ... + 91440.

It is an arithmetic number, because the mean of its divisors is an integer number (5742765).

Almost surely, 2^52140374 is an apocalyptic number.

52140374 is a deficient number, since it is larger than the sum of its proper divisors (39743866).

52140374 is a wasteful number, since it uses less digits than its factorization.

52140374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182335.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 52140374 is about 7220.8291767636. The cubic root of 52140374 is about 373.5866777083.

Adding to 52140374 its reverse (47304125), we get a palindrome (99444499).

The spelling of 52140374 in words is "fifty-two million, one hundred forty thousand, three hundred seventy-four".