52156416 has 96 divisors (see below), whose sum is σ = 149975280. Its totient is φ = 16023552.

The previous prime is 52156411. The next prime is 52156439. The reversal of 52156416 is 61465125.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52156411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79546 + ... + 80198.

Almost surely, 2^52156416 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 52156416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74987640).

52156416 is an abundant number, since it is smaller than the sum of its proper divisors (97818864).

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

52156416 is a wasteful number, since it uses less digits than its factorization.

52156416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 671 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 52156416 is about 7221.9399055932. The cubic root of 52156416 is about 373.6249875151.

The spelling of 52156416 in words is "fifty-two million, one hundred fifty-six thousand, four hundred sixteen".