551045370 has 32 divisors (see below), whose sum is σ = 1325259648. Its totient is φ = 146639808.

The previous prime is 551045323. The next prime is 551045401. The reversal of 551045370 is 73540155.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4249 + ... + 33468.

It is an arithmetic number, because the mean of its divisors is an integer number (41414364).

Almost surely, 2^551045370 is an apocalyptic number.

551045370 is an abundant number, since it is smaller than the sum of its proper divisors (774214278).

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

551045370 is a wasteful number, since it uses less digits than its factorization.

551045370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38214.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 551045370 is about 23474.3555822093. The cubic root of 551045370 is about 819.8400292738.

The spelling of 551045370 in words is "five hundred fifty-one million, forty-five thousand, three hundred seventy".