54216357 has 16 divisors (see below), whose sum is σ = 78839040. Its totient is φ = 32939712.

The previous prime is 54216289. The next prime is 54216361. The reversal of 54216357 is 75361245.

It is not a de Polignac number, because 54216357 - 2¹⁵ = 54183589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54216257) 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, 5718 + ... + 11879.

It is an arithmetic number, because the mean of its divisors is an integer number (4927440).

Almost surely, 2^54216357 is an apocalyptic number.

It is an amenable number.

54216357 is a deficient number, since it is larger than the sum of its proper divisors (24622683).

54216357 is a wasteful number, since it uses less digits than its factorization.

54216357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17692.

The product of its digits is 25200, while the sum is 33.

The square root of 54216357 is about 7363.1757414855. The cubic root of 54216357 is about 378.4804436520.

The spelling of 54216357 in words is "fifty-four million, two hundred sixteen thousand, three hundred fifty-seven".