551887054 has 4 divisors (see below), whose sum is σ = 827830584. Its totient is φ = 275943526.

The previous prime is 551887043. The next prime is 551887087. The reversal of 551887054 is 450788155.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 551887054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137971762 + ... + 137971765.

It is an arithmetic number, because the mean of its divisors is an integer number (206957646).

Almost surely, 2^551887054 is an apocalyptic number.

551887054 is a deficient number, since it is larger than the sum of its proper divisors (275943530).

551887054 is a wasteful number, since it uses less digits than its factorization.

551887054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275943529.

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 551887054 is about 23492.2764754717. The cubic root of 551887054 is about 820.2572333964.

The spelling of 551887054 in words is "five hundred fifty-one million, eight hundred eighty-seven thousand, fifty-four".