53415908 has 48 divisors (see below), whose sum is σ = 115699584. Its totient is φ = 21012480.

The previous prime is 53415899. The next prime is 53415917. The reversal of 53415908 is 80951435.

It is an interprime number because it is at equal distance from previous prime (53415899) and next prime (53415917).

It is a super-4 number, since 4×53415908⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93263 + ... + 93833.

It is an arithmetic number, because the mean of its divisors is an integer number (2410408).

Almost surely, 2^53415908 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 53415908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57849792).

53415908 is an abundant number, since it is smaller than the sum of its proper divisors (62283676).

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

53415908 is a wasteful number, since it uses less digits than its factorization.

53415908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 53415908 is about 7308.6187477525. The cubic root of 53415908 is about 376.6085757214.

The spelling of 53415908 in words is "fifty-three million, four hundred fifteen thousand, nine hundred eight".