53771431 has 16 divisors (see below), whose sum is σ = 63074304. Its totient is φ = 44884224.

The previous prime is 53771411. The next prime is 53771437. The reversal of 53771431 is 13417735.

It is not a de Polignac number, because 53771431 - 2⁷ = 53771303 is a prime.

It is a super-2 number, since 2×53771431² = 5782733583575522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53771393 and 53771402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53771437) 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, 115906 + ... + 116368.

It is an arithmetic number, because the mean of its divisors is an integer number (3942144).

Almost surely, 2^53771431 is an apocalyptic number.

53771431 is a deficient number, since it is larger than the sum of its proper divisors (9302873).

53771431 is a wasteful number, since it uses less digits than its factorization.

53771431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its digits is 8820, while the sum is 31.

The square root of 53771431 is about 7332.9005857164. The cubic root of 53771431 is about 377.4422665097.

The spelling of 53771431 in words is "fifty-three million, seven hundred seventy-one thousand, four hundred thirty-one".