52531416 has 160 divisors (see below), whose sum is σ = 173252640. Its totient is φ = 14556672.

The previous prime is 52531403. The next prime is 52531421. The reversal of 52531416 is 61413525.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52531416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 167676 + ... + 167988.

It is an arithmetic number, because the mean of its divisors is an integer number (1082829).

Almost surely, 2^52531416 is an apocalyptic number.

52531416 is a gapful number since it is divisible by the number (56) 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 52531416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86626320).

52531416 is an abundant number, since it is smaller than the sum of its proper divisors (120721224).

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

52531416 is a wasteful number, since it uses less digits than its factorization.

52531416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 362 counting only the distinct ones).

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

The square root of 52531416 is about 7247.8559588336. The cubic root of 52531416 is about 374.5182934885.

The spelling of 52531416 in words is "fifty-two million, five hundred thirty-one thousand, four hundred sixteen".