53000390 has 64 divisors (see below), whose sum is σ = 106375680. Its totient is φ = 18923520.

The previous prime is 53000383. The next prime is 53000393. The reversal of 53000390 is 9300035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53000393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468974 + ... + 469086.

It is an arithmetic number, because the mean of its divisors is an integer number (1662120).

Almost surely, 2^53000390 is an apocalyptic number.

53000390 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

53000390 is a wasteful number, since it uses less digits than its factorization.

53000390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 53000390 is about 7280.1366745412. The cubic root of 53000390 is about 375.6294967730.

The spelling of 53000390 in words is "fifty-three million, three hundred ninety", and thus it is an aban number.