551527572468 has 96 divisors (see below), whose sum is σ = 1364443920000. Its totient is φ = 172905960960.

The previous prime is 551527572439. The next prime is 551527572503. The reversal of 551527572468 is 864275725155.

It is a super-2 number, since 2×551527572468² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94744998 + ... + 94750818.

It is an arithmetic number, because the mean of its divisors is an integer number (14212957500).

Almost surely, 2^551527572468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551527572468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682221960000).

551527572468 is an abundant number, since it is smaller than the sum of its proper divisors (812916347532).

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

551527572468 is a wasteful number, since it uses less digits than its factorization.

551527572468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785 (or 8783 counting only the distinct ones).

The product of its digits is 23520000, while the sum is 57.

The spelling of 551527572468 in words is "five hundred fifty-one billion, five hundred twenty-seven million, five hundred seventy-two thousand, four hundred sixty-eight".