54956649531 has 16 divisors (see below), whose sum is σ = 85690989824. Its totient is φ = 30673478304.

The previous prime is 54956649511. The next prime is 54956649533. The reversal of 54956649531 is 13594665945.

It is not a de Polignac number, because 54956649531 - 2⁹ = 54956649019 is a prime.

It is a super-2 number, since 2×54956649531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54956649533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30429136 + ... + 30430941.

It is an arithmetic number, because the mean of its divisors is an integer number (5355686864).

Almost surely, 2^54956649531 is an apocalyptic number.

54956649531 is a deficient number, since it is larger than the sum of its proper divisors (30734340293).

54956649531 is a wasteful number, since it uses less digits than its factorization.

54956649531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60860130.

The product of its digits is 17496000, while the sum is 57.

The spelling of 54956649531 in words is "fifty-four billion, nine hundred fifty-six million, six hundred forty-nine thousand, five hundred thirty-one".