551154455 has 4 divisors (see below), whose sum is σ = 661385352. Its totient is φ = 440923560.

The previous prime is 551154437. The next prime is 551154493. The reversal of 551154455 is 554451155.

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

It is not a de Polignac number, because 551154455 - 2⁸ = 551154199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55115441 + ... + 55115450.

It is an arithmetic number, because the mean of its divisors is an integer number (165346338).

Almost surely, 2^551154455 is an apocalyptic number.

551154455 is a deficient number, since it is larger than the sum of its proper divisors (110230897).

551154455 is a wasteful number, since it uses less digits than its factorization.

551154455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110230896.

The product of its digits is 50000, while the sum is 35.

The square root of 551154455 is about 23476.6789601937. The cubic root of 551154455 is about 819.8941242442.

The spelling of 551154455 in words is "five hundred fifty-one million, one hundred fifty-four thousand, four hundred fifty-five".