53020868 has 12 divisors (see below), whose sum is σ = 97670160. Its totient is φ = 25115112.

The previous prime is 53020861. The next prime is 53020871. The reversal of 53020868 is 86802035.

It is a super-2 number, since 2×53020868² = 5622424886946848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53020861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348746 + ... + 348897.

It is an arithmetic number, because the mean of its divisors is an integer number (8139180).

Almost surely, 2^53020868 is an apocalyptic number.

It is an amenable number.

53020868 is a deficient number, since it is larger than the sum of its proper divisors (44649292).

53020868 is a wasteful number, since it uses less digits than its factorization.

53020868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697666 (or 697664 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 53020868 is about 7281.5429683550. The cubic root of 53020868 is about 375.6778684319.

The spelling of 53020868 in words is "fifty-three million, twenty thousand, eight hundred sixty-eight".