253057755 has 8 divisors (see below), whose sum is σ = 404892432. Its totient is φ = 134964128.

The previous prime is 253057691. The next prime is 253057759. The reversal of 253057755 is 557750352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253057755 - 2⁶ = 253057691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253057759) 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 7 ways as a sum of consecutive naturals, for example, 8435244 + ... + 8435273.

It is an arithmetic number, because the mean of its divisors is an integer number (50611554).

Almost surely, 2^253057755 is an apocalyptic number.

253057755 is a deficient number, since it is larger than the sum of its proper divisors (151834677).

253057755 is a wasteful number, since it uses less digits than its factorization.

253057755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16870525.

The product of its (nonzero) digits is 183750, while the sum is 39.

The square root of 253057755 is about 15907.7891298571. The cubic root of 253057755 is about 632.5184775909.

The spelling of 253057755 in words is "two hundred fifty-three million, fifty-seven thousand, seven hundred fifty-five".