53497080 has 384 divisors, whose sum is σ = 226437120. Its totient is φ = 10644480.

The previous prime is 53497063. The next prime is 53497127. The reversal of 53497080 is 8079435.

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 95 ways as a sum of consecutive naturals, for example, 753445 + ... + 753515.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^53497080 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 53497080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113218560).

53497080 is an abundant number, since it is smaller than the sum of its proper divisors (172940040).

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

53497080 is a wasteful number, since it uses less digits than its factorization.

53497080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 53497080 is about 7314.1698093495. The cubic root of 53497080 is about 376.7992467563.

The spelling of 53497080 in words is "fifty-three million, four hundred ninety-seven thousand, eighty".