551507989462 has 16 divisors (see below), whose sum is σ = 855832586400. Its totient is φ = 266231445760.

The previous prime is 551507989411. The next prime is 551507989481. The reversal of 551507989462 is 264989705155.

It is a super-2 number, since 2×551507989462² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 551507989462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931287 + ... + 1403677.

It is an arithmetic number, because the mean of its divisors is an integer number (53489536650).

Almost surely, 2^551507989462 is an apocalyptic number.

551507989462 is a deficient number, since it is larger than the sum of its proper divisors (304324596938).

551507989462 is a wasteful number, since it uses less digits than its factorization.

551507989462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492551.

The product of its (nonzero) digits is 27216000, while the sum is 61.

The spelling of 551507989462 in words is "five hundred fifty-one billion, five hundred seven million, nine hundred eighty-nine thousand, four hundred sixty-two".