551552001 has 96 divisors (see below), whose sum is σ = 1015311360. Its totient is φ = 259079040.

The previous prime is 551551997. The next prime is 551552017. The reversal of 551552001 is 100255155.

It is not a de Polignac number, because 551552001 - 2² = 551551997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551552021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1948806 + ... + 1949088.

It is an arithmetic number, because the mean of its divisors is an integer number (10576160).

Almost surely, 2^551552001 is an apocalyptic number.

It is an amenable number.

551552001 is a deficient number, since it is larger than the sum of its proper divisors (463759359).

551552001 is a wasteful number, since it uses less digits than its factorization.

551552001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 551552001 is about 23485.1442618520. The cubic root of 551552001 is about 820.0912058971.

The spelling of 551552001 in words is "five hundred fifty-one million, five hundred fifty-two thousand, one".