54477630731 has 4 divisors (see below), whose sum is σ = 54478581264. Its totient is φ = 54476680200.

The previous prime is 54477630709. The next prime is 54477630773. The reversal of 54477630731 is 13703677445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54477630731 - 2⁶ = 54477630667 is a prime.

It is a super-2 number, since 2×54477630731² (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 (54477630791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383375 + ... + 505896.

It is an arithmetic number, because the mean of its divisors is an integer number (13619645316).

Almost surely, 2^54477630731 is an apocalyptic number.

54477630731 is a deficient number, since it is larger than the sum of its proper divisors (950533).

54477630731 is an equidigital number, since it uses as much as digits as its factorization.

54477630731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950532.

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 54477630731 in words is "fifty-four billion, four hundred seventy-seven million, six hundred thirty thousand, seven hundred thirty-one".