551524015553 has 16 divisors (see below), whose sum is σ = 642245569920. Its totient is φ = 463786667136.

The previous prime is 551524015543. The next prime is 551524015561. The reversal of 551524015553 is 355510425155.

It is a cyclic number.

It is not a de Polignac number, because 551524015553 - 2¹⁸ = 551523753409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551524015553.

It is not an unprimeable number, because it can be changed into a prime (551524015543) 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, 7735853 + ... + 7806821.

It is an arithmetic number, because the mean of its divisors is an integer number (40140348120).

Almost surely, 2^551524015553 is an apocalyptic number.

551524015553 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

551524015553 is a deficient number, since it is larger than the sum of its proper divisors (90721554367).

551524015553 is a wasteful number, since it uses less digits than its factorization.

551524015553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91976.

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 551524015553 in words is "five hundred fifty-one billion, five hundred twenty-four million, fifteen thousand, five hundred fifty-three".