42553760 has 24 divisors (see below), whose sum is σ = 100533636. Its totient is φ = 17021440.

The previous prime is 42553739. The next prime is 42553799. The reversal of 42553760 is 6735524.

It can be written as a sum of positive squares in 2 ways, for example, as 40398736 + 2155024 = 6356^2 + 1468^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132821 + ... + 133140.

Almost surely, 2^42553760 is an apocalyptic number.

42553760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42553760 is an abundant number, since it is smaller than the sum of its proper divisors (57979876).

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

42553760 is a wasteful number, since it uses less digits than its factorization.

42553760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265976 (or 265968 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 42553760 is about 6523.3243059042. The cubic root of 42553760 is about 349.1236853037.

The spelling of 42553760 in words is "forty-two million, five hundred fifty-three thousand, seven hundred sixty".