52455431 has 12 divisors (see below), whose sum is σ = 62320608. Its totient is φ = 44003232.

The previous prime is 52455407. The next prime is 52455449. The reversal of 52455431 is 13455425.

It is not a de Polignac number, because 52455431 - 2⁶ = 52455367 is a prime.

It is a super-2 number, since 2×52455431² = 5503144482791522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52455394 and 52455403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52455401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9086 + ... + 13691.

It is an arithmetic number, because the mean of its divisors is an integer number (5193384).

Almost surely, 2^52455431 is an apocalyptic number.

52455431 is a deficient number, since it is larger than the sum of its proper divisors (9865177).

52455431 is a wasteful number, since it uses less digits than its factorization.

52455431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22838 (or 22831 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 52455431 is about 7242.6121668912. The cubic root of 52455431 is about 374.3376301394.

It can be divided in two parts, 524 and 55431, that added together give a palindrome (55955).

The spelling of 52455431 in words is "fifty-two million, four hundred fifty-five thousand, four hundred thirty-one".