253545880 has 64 divisors (see below), whose sum is σ = 686304000. Its totient is φ = 82353024.

The previous prime is 253545847. The next prime is 253545883. The reversal of 253545880 is 88545352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253545883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18510 + ... + 29149.

It is an arithmetic number, because the mean of its divisors is an integer number (10723500).

Almost surely, 2^253545880 is an apocalyptic number.

253545880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253545880 is an abundant number, since it is smaller than the sum of its proper divisors (432758120).

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

253545880 is a wasteful number, since it uses less digits than its factorization.

253545880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47696 (or 47692 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 253545880 is about 15923.1240653334. The cubic root of 253545880 is about 632.9249062588.

The spelling of 253545880 in words is "two hundred fifty-three million, five hundred forty-five thousand, eight hundred eighty".