52137340 has 24 divisors (see below), whose sum is σ = 109699632. Its totient is φ = 20814720.

The previous prime is 52137313. The next prime is 52137341. The reversal of 52137340 is 4373125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52137341) 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, 9520 + ... + 13960.

It is an arithmetic number, because the mean of its divisors is an integer number (4570818).

Almost surely, 2^52137340 is an apocalyptic number.

It is an amenable number.

52137340 is an abundant number, since it is smaller than the sum of its proper divisors (57562292).

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

52137340 is a wasteful number, since it uses less digits than its factorization.

52137340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 52137340 is about 7220.6190870312. The cubic root of 52137340 is about 373.5794313470.

The spelling of 52137340 in words is "fifty-two million, one hundred thirty-seven thousand, three hundred forty".