253510155050 has 24 divisors (see below), whose sum is σ = 477988195116. Its totient is φ = 100014963840.

The previous prime is 253510155029. The next prime is 253510155053. The reversal of 253510155050 is 50551015352.

It can be written as a sum of positive squares in 6 ways, for example, as 107258215009 + 146251940041 = 327503^2 + 382429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 253510154998 and 253510155016.

It is not an unprimeable number, because it can be changed into a prime (253510155053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34723769 + ... + 34731068.

Almost surely, 2^253510155050 is an apocalyptic number.

253510155050 is a deficient number, since it is larger than the sum of its proper divisors (224478040066).

253510155050 is a wasteful number, since it uses less digits than its factorization.

253510155050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69454922 (or 69454917 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 253510155050 in words is "two hundred fifty-three billion, five hundred ten million, one hundred fifty-five thousand, fifty".