552521157 has 8 divisors (see below), whose sum is σ = 768725184. Its totient is φ = 352332288.

The previous prime is 552521141. The next prime is 552521201. The reversal of 552521157 is 751125255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 552521157 - 2⁴ = 552521141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552521107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4003708 + ... + 4003845.

It is an arithmetic number, because the mean of its divisors is an integer number (96090648).

Almost surely, 2^552521157 is an apocalyptic number.

It is an amenable number.

552521157 is a deficient number, since it is larger than the sum of its proper divisors (216204027).

552521157 is a wasteful number, since it uses less digits than its factorization.

552521157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007579.

The product of its digits is 17500, while the sum is 33.

The square root of 552521157 is about 23505.7685898590. The cubic root of 552521157 is about 820.5712641337.

The spelling of 552521157 in words is "five hundred fifty-two million, five hundred twenty-one thousand, one hundred fifty-seven".