252723047550 has 24 divisors (see below), whose sum is σ = 626753158296. Its totient is φ = 67392812640.

The previous prime is 252723047543. The next prime is 252723047561. The reversal of 252723047550 is 55740327252.

It is a super-2 number, since 2×252723047550² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842410009 + ... + 842410308.

It is an arithmetic number, because the mean of its divisors is an integer number (26114714929).

Almost surely, 2^252723047550 is an apocalyptic number.

252723047550 is an abundant number, since it is smaller than the sum of its proper divisors (374030110746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252723047550 is a wasteful number, since it uses less digits than its factorization.

252723047550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684820332 (or 1684820327 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 42.

The spelling of 252723047550 in words is "two hundred fifty-two billion, seven hundred twenty-three million, forty-seven thousand, five hundred fifty".