552815901 has 64 divisors (see below), whose sum is σ = 933273600. Its totient is φ = 320371200.

The previous prime is 552815897. The next prime is 552815909. The reversal of 552815901 is 109518255.

It is a happy number.

552815901 is a `hidden beast` number, since 552 + 8 + 15 + 90 + 1 = 666.

552815901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 552815901 - 2² = 552815897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552815909) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 892770 + ... + 893388.

It is an arithmetic number, because the mean of its divisors is an integer number (14582400).

Almost surely, 2^552815901 is an apocalyptic number.

It is an amenable number.

552815901 is a deficient number, since it is larger than the sum of its proper divisors (380457699).

552815901 is a wasteful number, since it uses less digits than its factorization.

552815901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The square root of 552815901 is about 23512.0373638696. The cubic root of 552815901 is about 820.7171502291.

The spelling of 552815901 in words is "five hundred fifty-two million, eight hundred fifteen thousand, nine hundred one".