53415612 has 60 divisors (see below), whose sum is σ = 147005320. Its totient is φ = 16866144.

The previous prime is 53415601. The next prime is 53415617. The reversal of 53415612 is 21651435.

53415612 is a `hidden beast` number, since 5 + 3 + 41 + 5 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53415617) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1818 + ... + 10494.

Almost surely, 2^53415612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53415612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73502660).

53415612 is an abundant number, since it is smaller than the sum of its proper divisors (93589708).

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

53415612 is a wasteful number, since it uses less digits than its factorization.

53415612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8712 (or 8701 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 53415612 is about 7308.5984976601. The cubic root of 53415612 is about 376.6078800713.

The spelling of 53415612 in words is "fifty-three million, four hundred fifteen thousand, six hundred twelve".