53231407 has 16 divisors (see below), whose sum is σ = 59915520. Its totient is φ = 47044800.

The previous prime is 53231383. The next prime is 53231441. The reversal of 53231407 is 70413235.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53231407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53231207) 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, 16432 + ... + 19402.

It is an arithmetic number, because the mean of its divisors is an integer number (3744720).

Almost surely, 2^53231407 is an apocalyptic number.

53231407 is a deficient number, since it is larger than the sum of its proper divisors (6684113).

53231407 is a wasteful number, since it uses less digits than its factorization.

53231407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 53231407 is about 7295.9856770693. The cubic root of 53231407 is about 376.1744677538.

The spelling of 53231407 in words is "fifty-three million, two hundred thirty-one thousand, four hundred seven".