551436942 has 32 divisors (see below), whose sum is σ = 1261670400. Its totient is φ = 157398048.

The previous prime is 551436923. The next prime is 551436961. The reversal of 551436942 is 249634155.

It is an interprime number because it is at equal distance from previous prime (551436923) and next prime (551436961).

It is a super-2 number, since 2×551436942² = 608165402004622728, which contains 22 as substring.

551436942 is a Rhonda number in base 10.

Its product of digits (129600) is a multiple of the sum of its prime divisors (12960).

It is a self number, because there is not a number n which added to its sum of digits gives 551436942.

It is a congruent number.

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, 40659 + ... + 52497.

It is an arithmetic number, because the mean of its divisors is an integer number (39427200).

Almost surely, 2^551436942 is an apocalyptic number.

551436942 is an abundant number, since it is smaller than the sum of its proper divisors (710233458).

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

551436942 is a wasteful number, since it uses less digits than its factorization.

551436942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12960.

The product of its digits is 129600, while the sum is 39.

The square root of 551436942 is about 23482.6945217111. The cubic root of 551436942 is about 820.0341756528.

The spelling of 551436942 in words is "five hundred fifty-one million, four hundred thirty-six thousand, nine hundred forty-two".