53431025 has 12 divisors (see below), whose sum is σ = 66681372. Its totient is φ = 42469440.

The previous prime is 53431009. The next prime is 53431031. The reversal of 53431025 is 52013435.

It can be written as a sum of positive squares in 6 ways, for example, as 18809569 + 34621456 = 4337^2 + 5884^2 .

It is not a de Polignac number, because 53431025 - 2⁴ = 53431009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2882 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (5556781).

Almost surely, 2^53431025 is an apocalyptic number.

It is an amenable number.

53431025 is a deficient number, since it is larger than the sum of its proper divisors (13250347).

53431025 is a wasteful number, since it uses less digits than its factorization.

53431025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13780 (or 13775 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53431025 is about 7309.6528645347. The cubic root of 53431025 is about 376.6440998131.

The spelling of 53431025 in words is "fifty-three million, four hundred thirty-one thousand, twenty-five".