250550006551 has 16 divisors (see below), whose sum is σ = 270549393408. Its totient is φ = 230654786400.

The previous prime is 250550006537. The next prime is 250550006573. The reversal of 250550006551 is 155600055052.

It is a cyclic number.

It is not a de Polignac number, because 250550006551 - 2²¹ = 250547909399 is a prime.

It is a super-2 number, since 2×250550006551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250550006251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18993180 + ... + 19006366.

It is an arithmetic number, because the mean of its divisors is an integer number (16909337088).

Almost surely, 2^250550006551 is an apocalyptic number.

250550006551 is a deficient number, since it is larger than the sum of its proper divisors (19999386857).

250550006551 is a wasteful number, since it uses less digits than its factorization.

250550006551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17022.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 250550006551 in words is "two hundred fifty billion, five hundred fifty million, six thousand, five hundred fifty-one".