551876442 has 32 divisors (see below), whose sum is σ = 1208813760. Its totient is φ = 166928640.

The previous prime is 551876431. The next prime is 551876447. The reversal of 551876442 is 244678155.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 551876394 and 551876403.

It is not an unprimeable number, because it can be changed into a prime (551876447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55359 + ... + 64562.

It is an arithmetic number, because the mean of its divisors is an integer number (37775430).

Almost surely, 2^551876442 is an apocalyptic number.

551876442 is an abundant number, since it is smaller than the sum of its proper divisors (656937318).

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

551876442 is a wasteful number, since it uses less digits than its factorization.

551876442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119998.

The product of its digits is 268800, while the sum is 42.

The square root of 551876442 is about 23492.0506129201. The cubic root of 551876442 is about 820.2519759042.

The spelling of 551876442 in words is "five hundred fifty-one million, eight hundred seventy-six thousand, four hundred forty-two".