54972021347 has 12 divisors (see below), whose sum is σ = 56964758760. Its totient is φ = 53046803712.

The previous prime is 54972021337. The next prime is 54972021353. The reversal of 54972021347 is 74312027945.

It is not a de Polignac number, because 54972021347 - 2²⁸ = 54703585891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54972021298 and 54972021307.

It is not an unprimeable number, because it can be changed into a prime (54972021337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1571348 + ... + 1605950.

It is an arithmetic number, because the mean of its divisors is an integer number (4747063230).

Almost surely, 2^54972021347 is an apocalyptic number.

54972021347 is a deficient number, since it is larger than the sum of its proper divisors (1992737413).

54972021347 is a wasteful number, since it uses less digits than its factorization.

54972021347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36550 (or 36521 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 54972021347 in words is "fifty-four billion, nine hundred seventy-two million, twenty-one thousand, three hundred forty-seven".