53231390 has 8 divisors (see below), whose sum is σ = 95816520. Its totient is φ = 21292552.

The previous prime is 53231383. The next prime is 53231441. The reversal of 53231390 is 9313235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2661560 + ... + 2661579.

It is an arithmetic number, because the mean of its divisors is an integer number (11977065).

Almost surely, 2^53231390 is an apocalyptic number.

53231390 is a deficient number, since it is larger than the sum of its proper divisors (42585130).

53231390 is a wasteful number, since it uses less digits than its factorization.

53231390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323146.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 53231390 is about 7295.9845120450. The cubic root of 53231390 is about 376.1744277088.

The spelling of 53231390 in words is "fifty-three million, two hundred thirty-one thousand, three hundred ninety".