252775255550 has 24 divisors (see below), whose sum is σ = 472598065776. Its totient is φ = 100586211840.

The previous prime is 252775255547. The next prime is 252775255571. The reversal of 252775255550 is 55552577252.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13087514 + ... + 13106813.

It is an arithmetic number, because the mean of its divisors is an integer number (19691586074).

Almost surely, 2^252775255550 is an apocalyptic number.

252775255550 is a deficient number, since it is larger than the sum of its proper divisors (219822810226).

252775255550 is a wasteful number, since it uses less digits than its factorization.

252775255550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26194532 (or 26194527 counting only the distinct ones).

The product of its (nonzero) digits is 6125000, while the sum is 50.

The spelling of 252775255550 in words is "two hundred fifty-two billion, seven hundred seventy-five million, two hundred fifty-five thousand, five hundred fifty".