52699920 has 320 divisors, whose sum is σ = 213319680. Its totient is φ = 10450944.

The previous prime is 52699919. The next prime is 52699943. The reversal of 52699920 is 2999625.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 414897 + ... + 415023.

It is an arithmetic number, because the mean of its divisors is an integer number (666624).

Almost surely, 2^52699920 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 52699920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106659840).

52699920 is an abundant number, since it is smaller than the sum of its proper divisors (160619760).

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

52699920 is a wasteful number, since it uses less digits than its factorization.

52699920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 52699920 is about 7259.4710551114. The cubic root of 52699920 is about 374.9183110953.

The spelling of 52699920 in words is "fifty-two million, six hundred ninety-nine thousand, nine hundred twenty".