53113620 has 48 divisors (see below), whose sum is σ = 169964928. Its totient is φ = 12140160.

The previous prime is 53113597. The next prime is 53113637. The reversal of 53113620 is 2631135.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62811 + ... + 63650.

It is an arithmetic number, because the mean of its divisors is an integer number (3540936).

Almost surely, 2^53113620 is an apocalyptic number.

It is an amenable number.

53113620 is an abundant number, since it is smaller than the sum of its proper divisors (116851308).

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

53113620 is a wasteful number, since it uses less digits than its factorization.

53113620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126480 (or 126478 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 53113620 is about 7287.9091651859. The cubic root of 53113620 is about 375.8968047116.

Adding to 53113620 its reverse (2631135), we get a palindrome (55744755).

The spelling of 53113620 in words is "fifty-three million, one hundred thirteen thousand, six hundred twenty".