253553620 has 48 divisors (see below), whose sum is σ = 542868480. Its totient is φ = 99460224.

The previous prime is 253553617. The next prime is 253553627. The reversal of 253553620 is 26355352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253553627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232717 + ... + 233803.

It is an arithmetic number, because the mean of its divisors is an integer number (11309760).

Almost surely, 2^253553620 is an apocalyptic number.

253553620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253553620 is an abundant number, since it is smaller than the sum of its proper divisors (289314860).

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

253553620 is a wasteful number, since it uses less digits than its factorization.

253553620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 253553620 is about 15923.3671062373. The cubic root of 253553620 is about 632.9313466303.

The spelling of 253553620 in words is "two hundred fifty-three million, five hundred fifty-three thousand, six hundred twenty".