54215266 has 16 divisors (see below), whose sum is σ = 94838400. Its totient is φ = 23234820.

The previous prime is 54215221. The next prime is 54215321. The reversal of 54215266 is 66251245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38830 + ... + 40201.

It is an arithmetic number, because the mean of its divisors is an integer number (5927400).

Almost surely, 2^54215266 is an apocalyptic number.

54215266 is a deficient number, since it is larger than the sum of its proper divisors (40623134).

54215266 is an equidigital number, since it uses as much as digits as its factorization.

54215266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79054 (or 79040 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 54215266 is about 7363.1016562316. The cubic root of 54215266 is about 378.4779049044.

The spelling of 54215266 in words is "fifty-four million, two hundred fifteen thousand, two hundred sixty-six".