531955677 has 16 divisors (see below), whose sum is σ = 774566208. Its totient is φ = 322058880.

The previous prime is 531955667. The next prime is 531955681. The reversal of 531955677 is 776559135.

It is not a de Polignac number, because 531955677 - 2⁸ = 531955421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531955667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25473 + ... + 41385.

It is an arithmetic number, because the mean of its divisors is an integer number (48410388).

Almost surely, 2^531955677 is an apocalyptic number.

It is an amenable number.

531955677 is a deficient number, since it is larger than the sum of its proper divisors (242610531).

531955677 is a wasteful number, since it uses less digits than its factorization.

531955677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16940.

The product of its digits is 992250, while the sum is 48.

The square root of 531955677 is about 23064.1643464488. The cubic root of 531955677 is about 810.2613986395.

The spelling of 531955677 in words is "five hundred thirty-one million, nine hundred fifty-five thousand, six hundred seventy-seven".