53251893 has 36 divisors (see below), whose sum is σ = 81791424. Its totient is φ = 33368400.

The previous prime is 53251883. The next prime is 53251943. The reversal of 53251893 is 39815235.

53251893 is a `hidden beast` number, since 53 + 2 + 518 + 93 = 666.

It is not a de Polignac number, because 53251893 - 2⁹ = 53251381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53251823) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 406438 + ... + 406568.

It is an arithmetic number, because the mean of its divisors is an integer number (2271984).

Almost surely, 2^53251893 is an apocalyptic number.

It is an amenable number.

53251893 is a deficient number, since it is larger than the sum of its proper divisors (28539531).

53251893 is a wasteful number, since it uses less digits than its factorization.

53251893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 212 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 53251893 is about 7297.3894647333. The cubic root of 53251893 is about 376.2227182273. Note that the first 3 decimals are identical.

It can be divided in two parts, 532 and 51893, that added together give a palindrome (52425).

The spelling of 53251893 in words is "fifty-three million, two hundred fifty-one thousand, eight hundred ninety-three".