53881575 has 48 divisors (see below), whose sum is σ = 97946112. Its totient is φ = 25920000.

The previous prime is 53881559. The next prime is 53881603. The reversal of 53881575 is 57518835.

It is a happy number.

It is not a de Polignac number, because 53881575 - 2⁴ = 53881559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198690 + ... + 198960.

It is an arithmetic number, because the mean of its divisors is an integer number (2040544).

Almost surely, 2^53881575 is an apocalyptic number.

53881575 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53881575 is a deficient number, since it is larger than the sum of its proper divisors (44064537).

53881575 is a wasteful number, since it uses less digits than its factorization.

53881575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 531 counting only the distinct ones).

The product of its digits is 168000, while the sum is 42.

The square root of 53881575 is about 7340.4070050645. The cubic root of 53881575 is about 377.6998050502.

The spelling of 53881575 in words is "fifty-three million, eight hundred eighty-one thousand, five hundred seventy-five".