53700020 has 24 divisors (see below), whose sum is σ = 123022368. Its totient is φ = 19527200.

The previous prime is 53700011. The next prime is 53700067. The reversal of 53700020 is 2000735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121826 + ... + 122265.

It is an arithmetic number, because the mean of its divisors is an integer number (5125932).

Almost surely, 2^53700020 is an apocalyptic number.

It is an amenable number.

53700020 is an abundant number, since it is smaller than the sum of its proper divisors (69322348).

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

53700020 is a wasteful number, since it uses less digits than its factorization.

53700020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244111 (or 244109 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 53700020 is about 7328.0297488479. The cubic root of 53700020 is about 377.2751054364.

Adding to 53700020 its reverse (2000735), we get a palindrome (55700755).

The spelling of 53700020 in words is "fifty-three million, seven hundred thousand, twenty".