551011404454 has 32 divisors (see below), whose sum is σ = 976323649536. Its totient is φ = 228234296160.

The previous prime is 551011404451. The next prime is 551011404523. The reversal of 551011404454 is 454404110155.

It is a super-2 number, since 2×551011404454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551011404451) by changing a digit.

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, 485742 + ... + 1156705.

It is an arithmetic number, because the mean of its divisors is an integer number (30510114048).

Almost surely, 2^551011404454 is an apocalyptic number.

551011404454 is a deficient number, since it is larger than the sum of its proper divisors (425312245082).

551011404454 is a wasteful number, since it uses less digits than its factorization.

551011404454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643260.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 551011404454 in words is "five hundred fifty-one billion, eleven million, four hundred four thousand, four hundred fifty-four".