53156480 has 64 divisors (see below), whose sum is σ = 136873800. Its totient is φ = 19623936.

The previous prime is 53156479. The next prime is 53156497. The reversal of 53156480 is 8465135.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14318656 + 38837824 = 3784^2 + 6232^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×53156480³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5126 + ... + 11514.

Almost surely, 2^53156480 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 53156480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68436900).

53156480 is an abundant number, since it is smaller than the sum of its proper divisors (83717320).

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

53156480 is a wasteful number, since it uses less digits than its factorization.

53156480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421 (or 6409 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 53156480 is about 7290.8490589231. The cubic root of 53156480 is about 375.9978874183.

The spelling of 53156480 in words is "fifty-three million, one hundred fifty-six thousand, four hundred eighty".