53401131 has 54 divisors (see below), whose sum is σ = 95544540. Its totient is φ = 28651392.

The previous prime is 53401129. The next prime is 53401133. The reversal of 53401131 is 13110435.

53401131 is a `hidden beast` number, since 534 + 0 + 1 + 131 = 666.

It is an interprime number because it is at equal distance from previous prime (53401129) and next prime (53401133).

It is not a de Polignac number, because 53401131 - 2¹ = 53401129 is a prime.

It is a super-2 number, since 2×53401131² = 5703361584158322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53401133) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 127240 + ... + 127658.

Almost surely, 2^53401131 is an apocalyptic number.

53401131 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

53401131 is a deficient number, since it is larger than the sum of its proper divisors (42143409).

53401131 is a wasteful number, since it uses less digits than its factorization.

53401131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 53401131 is about 7307.6077480938. The cubic root of 53401131 is about 376.5738441318.

Adding to 53401131 its reverse (13110435), we get a palindrome (66511566).

The spelling of 53401131 in words is "fifty-three million, four hundred one thousand, one hundred thirty-one".