53615020 has 24 divisors (see below), whose sum is σ = 112909104. Its totient is φ = 21385536.

The previous prime is 53614999. The next prime is 53615039. The reversal of 53615020 is 2051635.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53614982 and 53615000.

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, 3867 + ... + 11053.

It is an arithmetic number, because the mean of its divisors is an integer number (4704546).

Almost surely, 2^53615020 is an apocalyptic number.

It is an amenable number.

53615020 is an abundant number, since it is smaller than the sum of its proper divisors (59294084).

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

53615020 is a wasteful number, since it uses less digits than its factorization.

53615020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569 (or 7567 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 53615020 is about 7322.2278030665. The cubic root of 53615020 is about 377.0759415202.

Adding to 53615020 its reverse (2051635), we get a palindrome (55666655).

The spelling of 53615020 in words is "fifty-three million, six hundred fifteen thousand, twenty".