53215120 has 40 divisors (see below), whose sum is σ = 141401664. Its totient is φ = 18244992.

The previous prime is 53215091. The next prime is 53215121. The reversal of 53215120 is 2151235.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×53215120² = 5663697993228800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53215121) 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, 46954 + ... + 48073.

Almost surely, 2^53215120 is an apocalyptic number.

It is an amenable number.

53215120 is an abundant number, since it is smaller than the sum of its proper divisors (88186544).

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

53215120 is a wasteful number, since it uses less digits than its factorization.

53215120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95047 (or 95041 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 53215120 is about 7294.8694299487. The cubic root of 53215120 is about 376.1360983095.

Adding to 53215120 its reverse (2151235), we get a palindrome (55366355).

It can be divided in two parts, 53215 and 120, that added together give a palindrome (53335).

The spelling of 53215120 in words is "fifty-three million, two hundred fifteen thousand, one hundred twenty".