253055302557 has 8 divisors (see below), whose sum is σ = 352076942784. Its totient is φ = 161368598688.

The previous prime is 253055302553. The next prime is 253055302559. The reversal of 253055302557 is 755203550352.

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

It is not a de Polignac number, because 253055302557 - 2² = 253055302553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253055302553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833734008 + ... + 1833734145.

It is an arithmetic number, because the mean of its divisors is an integer number (44009617848).

Almost surely, 2^253055302557 is an apocalyptic number.

It is an amenable number.

253055302557 is a deficient number, since it is larger than the sum of its proper divisors (99021640227).

253055302557 is a wasteful number, since it uses less digits than its factorization.

253055302557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667468179.

The product of its (nonzero) digits is 787500, while the sum is 42.

The spelling of 253055302557 in words is "two hundred fifty-three billion, fifty-five million, three hundred two thousand, five hundred fifty-seven".