52140699 has 16 divisors (see below), whose sum is σ = 83188000. Its totient is φ = 32086368.

The previous prime is 52140691. The next prime is 52140703. The reversal of 52140699 is 99604125.

52140699 is a `hidden beast` number, since 521 + 40 + 6 + 99 = 666.

It is not a de Polignac number, because 52140699 - 2³ = 52140691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52140691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73924 + ... + 74625.

It is an arithmetic number, because the mean of its divisors is an integer number (5199250).

Almost surely, 2^52140699 is an apocalyptic number.

52140699 is a deficient number, since it is larger than the sum of its proper divisors (31047301).

52140699 is a wasteful number, since it uses less digits than its factorization.

52140699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148571 (or 148565 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 52140699 is about 7220.8516810692. The cubic root of 52140699 is about 373.5874539169.

The spelling of 52140699 in words is "fifty-two million, one hundred forty thousand, six hundred ninety-nine".