53623620 has 120 divisors (see below), whose sum is σ = 170755200. Its totient is φ = 14084928.

The previous prime is 53623607. The next prime is 53623631. The reversal of 53623620 is 2632635.

53623620 is a `hidden beast` number, since 5 + 36 + 2 + 3 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 127771 + ... + 128189.

It is an arithmetic number, because the mean of its divisors is an integer number (1422960).

Almost surely, 2^53623620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53623620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85377600).

53623620 is an abundant number, since it is smaller than the sum of its proper divisors (117131580).

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

53623620 is a wasteful number, since it uses less digits than its factorization.

53623620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 53623620 is about 7322.8150324858. The cubic root of 53623620 is about 377.0961017895.

The spelling of 53623620 in words is "fifty-three million, six hundred twenty-three thousand, six hundred twenty".