551021422552 has 16 divisors (see below), whose sum is σ = 1093939589160. Its totient is φ = 259304198784.

The previous prime is 551021422537. The next prime is 551021422559. The reversal of 551021422552 is 255224120155.

551021422552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×551021422552² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551021422559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025813918 + ... + 2025814189.

Almost surely, 2^551021422552 is an apocalyptic number.

It is an amenable number.

551021422552 is a deficient number, since it is larger than the sum of its proper divisors (542918166608).

551021422552 is a wasteful number, since it uses less digits than its factorization.

551021422552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051628130 (or 4051628126 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 551021422552 in words is "five hundred fifty-one billion, twenty-one million, four hundred twenty-two thousand, five hundred fifty-two".