551023452 has 48 divisors (see below), whose sum is σ = 1632664320. Its totient is φ = 157435056.

The previous prime is 551023433. The next prime is 551023463. The reversal of 551023452 is 254320155.

It is a happy number.

It is a super-3 number, since 3×551023452³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363678 + ... + 365189.

It is an arithmetic number, because the mean of its divisors is an integer number (34013840).

Almost surely, 2^551023452 is an apocalyptic number.

It is an amenable number.

551023452 is an abundant number, since it is smaller than the sum of its proper divisors (1081640868).

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

551023452 is a wasteful number, since it uses less digits than its factorization.

551023452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728887 (or 728879 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 551023452 is about 23473.8887276906. Note that the first 3 decimals coincide. The cubic root of 551023452 is about 819.8291593328.

The spelling of 551023452 in words is "five hundred fifty-one million, twenty-three thousand, four hundred fifty-two".