53756280 has 48 divisors (see below), whose sum is σ = 174709080. Its totient is φ = 14334912.

The previous prime is 53756273. The next prime is 53756281. The reversal of 53756280 is 8265735.

53756280 is a `hidden beast` number, since 5 + 375 + 6 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53756281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74302 + ... + 75021.

Almost surely, 2^53756280 is an apocalyptic number.

It is an amenable number.

53756280 is an abundant number, since it is smaller than the sum of its proper divisors (120952800).

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

53756280 is a wasteful number, since it uses less digits than its factorization.

53756280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149340 (or 149333 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 53756280 is about 7331.8674292434. The cubic root of 53756280 is about 377.4068129559.

The spelling of 53756280 in words is "fifty-three million, seven hundred fifty-six thousand, two hundred eighty".