551654501052 has 24 divisors (see below), whose sum is σ = 1289973965056. Its totient is φ = 183487672368.

The previous prime is 551654501009. The next prime is 551654501081. The reversal of 551654501052 is 250105456155.

It is a self number, because there is not a number n which added to its sum of digits gives 551654501052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49639378 + ... + 49650489.

Almost surely, 2^551654501052 is an apocalyptic number.

It is an amenable number.

551654501052 is an abundant number, since it is smaller than the sum of its proper divisors (738319464004).

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

551654501052 is a wasteful number, since it uses less digits than its factorization.

551654501052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99290337 (or 99290335 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 551654501052 in words is "five hundred fifty-one billion, six hundred fifty-four million, five hundred one thousand, fifty-two".