53431626 has 32 divisors (see below), whose sum is σ = 110884608. Its totient is φ = 17150400.

The previous prime is 53431619. The next prime is 53431633. The reversal of 53431626 is 62613435.

It is an interprime number because it is at equal distance from previous prime (53431619) and next prime (53431633).

It is a junction number, because it is equal to n+sod(n) for n = 53431593 and 53431602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21231 + ... + 23613.

It is an arithmetic number, because the mean of its divisors is an integer number (3465144).

Almost surely, 2^53431626 is an apocalyptic number.

53431626 is an abundant number, since it is smaller than the sum of its proper divisors (57452982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53431626 is a wasteful number, since it uses less digits than its factorization.

53431626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526.

The product of its digits is 12960, while the sum is 30.

The square root of 53431626 is about 7309.6939744424. The cubic root of 53431626 is about 376.6455119905.

The spelling of 53431626 in words is "fifty-three million, four hundred thirty-one thousand, six hundred twenty-six".