52401357 has 16 divisors (see below), whose sum is σ = 77760000. Its totient is φ = 34876512.

The previous prime is 52401341. The next prime is 52401367. The reversal of 52401357 is 75310425.

It is a happy number.

52401357 is a `hidden beast` number, since 524 + 0 + 135 + 7 = 666.

It is not a de Polignac number, because 52401357 - 2⁴ = 52401341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 52401357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52401317) 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, 20644 + ... + 23042.

It is an arithmetic number, because the mean of its divisors is an integer number (4860000).

Almost surely, 2^52401357 is an apocalyptic number.

It is an amenable number.

52401357 is a deficient number, since it is larger than the sum of its proper divisors (25358643).

52401357 is a wasteful number, since it uses less digits than its factorization.

52401357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3211 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 52401357 is about 7238.8781589415. The cubic root of 52401357 is about 374.2089565072.

The spelling of 52401357 in words is "fifty-two million, four hundred one thousand, three hundred fifty-seven".