253755420 has 48 divisors (see below), whose sum is σ = 720534528. Its totient is φ = 66713920.

The previous prime is 253755419. The next prime is 253755451. The reversal of 253755420 is 24557352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25524 + ... + 34043.

It is an arithmetic number, because the mean of its divisors is an integer number (15011136).

Almost surely, 2^253755420 is an apocalyptic number.

253755420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253755420 is an abundant number, since it is smaller than the sum of its proper divisors (466779108).

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

253755420 is a wasteful number, since it uses less digits than its factorization.

253755420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59650 (or 59648 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 253755420 is about 15929.7024454319. The cubic root of 253755420 is about 633.0992160217.

The spelling of 253755420 in words is "two hundred fifty-three million, seven hundred fifty-five thousand, four hundred twenty".