54756281907 has 32 divisors (see below), whose sum is σ = 86935196160. Its totient is φ = 33973331040.

The previous prime is 54756281891. The next prime is 54756281929. The reversal of 54756281907 is 70918265745.

54756281907 is a `hidden beast` number, since 5 + 4 + 7 + 5 + 628 + 1 + 9 + 0 + 7 = 666.

It is not a de Polignac number, because 54756281907 - 2⁴ = 54756281891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54756281977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1168569 + ... + 1214522.

It is an arithmetic number, because the mean of its divisors is an integer number (2716724880).

Almost surely, 2^54756281907 is an apocalyptic number.

54756281907 is a deficient number, since it is larger than the sum of its proper divisors (32178914253).

54756281907 is a wasteful number, since it uses less digits than its factorization.

54756281907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383160 (or 2383154 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 54756281907 in words is "fifty-four billion, seven hundred fifty-six million, two hundred eighty-one thousand, nine hundred seven".