253980455554 has 8 divisors (see below), whose sum is σ = 435395066688. Its totient is φ = 108848766660.

The previous prime is 253980455507. The next prime is 253980455557. The reversal of 253980455554 is 455554089352.

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

It is a junction number, because it is equal to n+sod(n) for n = 253980455495 and 253980455504.

It is not an unprimeable number, because it can be changed into a prime (253980455557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9070730542 + ... + 9070730569.

It is an arithmetic number, because the mean of its divisors is an integer number (54424383336).

Almost surely, 2^253980455554 is an apocalyptic number.

253980455554 is a deficient number, since it is larger than the sum of its proper divisors (181414611134).

253980455554 is a wasteful number, since it uses less digits than its factorization.

253980455554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18141461120.

The product of its (nonzero) digits is 21600000, while the sum is 55.

The spelling of 253980455554 in words is "two hundred fifty-three billion, nine hundred eighty million, four hundred fifty-five thousand, five hundred fifty-four".