54973121 has 16 divisors (see below), whose sum is σ = 66718080. Its totient is φ = 44217600.

The previous prime is 54973111. The next prime is 54973123. The reversal of 54973121 is 12137945.

It is not a de Polignac number, because 54973121 - 2¹⁸ = 54710977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54973123) 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, 78071 + ... + 78771.

It is an arithmetic number, because the mean of its divisors is an integer number (4169880).

Almost surely, 2^54973121 is an apocalyptic number.

It is an amenable number.

54973121 is a deficient number, since it is larger than the sum of its proper divisors (11744959).

54973121 is a wasteful number, since it uses less digits than its factorization.

54973121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384.

The product of its digits is 7560, while the sum is 32.

The square root of 54973121 is about 7414.3860838238. The cubic root of 54973121 is about 380.2332847334.

The spelling of 54973121 in words is "fifty-four million, nine hundred seventy-three thousand, one hundred twenty-one".