53415120 has 80 divisors (see below), whose sum is σ = 180649152. Its totient is φ = 12948480.

The previous prime is 53415113. The next prime is 53415121. The reversal of 53415120 is 2151435.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×53415120² = 5706350089228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53415121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7477 + ... + 12756.

Almost surely, 2^53415120 is an apocalyptic number.

It is an amenable number.

53415120 is an abundant number, since it is smaller than the sum of its proper divisors (127234032).

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

53415120 is a wasteful number, since it uses less digits than its factorization.

53415120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20260 (or 20254 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 53415120 is about 7308.5648385986. The cubic root of 53415120 is about 376.6067237823.

Adding to 53415120 its reverse (2151435), we get a palindrome (55566555).

It can be divided in two parts, 53415 and 120, that added together give a palindrome (53535).

The spelling of 53415120 in words is "fifty-three million, four hundred fifteen thousand, one hundred twenty".