53099604 has 96 divisors (see below), whose sum is σ = 146832000. Its totient is φ = 16547328.

The previous prime is 53099597. The next prime is 53099611. The reversal of 53099604 is 40699035.

It is an interprime number because it is at equal distance from previous prime (53099597) and next prime (53099611).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231762 + ... + 231990.

It is an arithmetic number, because the mean of its divisors is an integer number (1529500).

Almost surely, 2^53099604 is an apocalyptic number.

53099604 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53099604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73416000).

53099604 is an abundant number, since it is smaller than the sum of its proper divisors (93732396).

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

53099604 is a wasteful number, since it uses less digits than its factorization.

53099604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 53099604 is about 7286.9475090740. The cubic root of 53099604 is about 375.8637370282.

The spelling of 53099604 in words is "fifty-three million, ninety-nine thousand, six hundred four".