53929280 has 56 divisors (see below), whose sum is σ = 129527808. Its totient is φ = 21385728.

The previous prime is 53929259. The next prime is 53929303. The reversal of 53929280 is 8292935.

It is a congruent number.

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, 39977 + ... + 41303.

Almost surely, 2^53929280 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 53929280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64763904).

53929280 is an abundant number, since it is smaller than the sum of its proper divisors (75598528).

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

53929280 is a wasteful number, since it uses less digits than its factorization.

53929280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 53929280 is about 7343.6557653528. The cubic root of 53929280 is about 377.8112398913.

The spelling of 53929280 in words is "fifty-three million, nine hundred twenty-nine thousand, two hundred eighty".