53476240 has 40 divisors (see below), whose sum is σ = 128348928. Its totient is φ = 20699520.

The previous prime is 53476229. The next prime is 53476253. The reversal of 53476240 is 4267435.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×53476240³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 8302 + ... + 13261.

Almost surely, 2^53476240 is an apocalyptic number.

It is an amenable number.

53476240 is an abundant number, since it is smaller than the sum of its proper divisors (74872688).

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

53476240 is a wasteful number, since it uses less digits than its factorization.

53476240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21607 (or 21601 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 53476240 is about 7312.7450386295. The cubic root of 53476240 is about 376.7503125205.

The spelling of 53476240 in words is "fifty-three million, four hundred seventy-six thousand, two hundred forty".