554156631 has 48 divisors (see below), whose sum is σ = 944424000. Its totient is φ = 312947712.

The previous prime is 554156597. The next prime is 554156653. The reversal of 554156631 is 136651455.

554156631 is a `hidden beast` number, since 5 + 5 + 4 + 15 + 6 + 631 = 666.

It is not a de Polignac number, because 554156631 - 2⁶ = 554156567 is a prime.

It is a super-2 number, since 2×554156631² = 614179143362540322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554156731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 273735 + ... + 275751.

It is an arithmetic number, because the mean of its divisors is an integer number (19675500).

Almost surely, 2^554156631 is an apocalyptic number.

554156631 is a deficient number, since it is larger than the sum of its proper divisors (390267369).

554156631 is a wasteful number, since it uses less digits than its factorization.

554156631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2116 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 554156631 is about 23540.5316634948. The cubic root of 554156631 is about 821.3801025437.

The spelling of 554156631 in words is "five hundred fifty-four million, one hundred fifty-six thousand, six hundred thirty-one".