53707620 has 24 divisors (see below), whose sum is σ = 150381504. Its totient is φ = 14322016.

The previous prime is 53707613. The next prime is 53707627. The reversal of 53707620 is 2670735.

It is an interprime number because it is at equal distance from previous prime (53707613) and next prime (53707627).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (53707627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447504 + ... + 447623.

It is an arithmetic number, because the mean of its divisors is an integer number (6265896).

Almost surely, 2^53707620 is an apocalyptic number.

It is an amenable number.

53707620 is an abundant number, since it is smaller than the sum of its proper divisors (96673884).

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

53707620 is a wasteful number, since it uses less digits than its factorization.

53707620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895139 (or 895137 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 53707620 is about 7328.5482873486. The cubic root of 53707620 is about 377.2929027950.

The spelling of 53707620 in words is "fifty-three million, seven hundred seven thousand, six hundred twenty".