53745880 has 32 divisors (see below), whose sum is σ = 122916240. Its totient is φ = 21144960.

The previous prime is 53745817. The next prime is 53745893. The reversal of 53745880 is 8854735.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8574 + ... + 13453.

Almost surely, 2^53745880 is an apocalyptic number.

It is an amenable number.

53745880 is an abundant number, since it is smaller than the sum of its proper divisors (69170360).

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

53745880 is a wasteful number, since it uses less digits than its factorization.

53745880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22099 (or 22095 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 53745880 is about 7331.1581622551. The cubic root of 53745880 is about 377.3824729532.

The spelling of 53745880 in words is "fifty-three million, seven hundred forty-five thousand, eight hundred eighty".