54291225 has 24 divisors (see below), whose sum is σ = 90332512. Its totient is φ = 28771200.

The previous prime is 54291221. The next prime is 54291229. The reversal of 54291225 is 52219245.

It is an interprime number because it is at equal distance from previous prime (54291221) and next prime (54291229).

It is not a de Polignac number, because 54291225 - 2² = 54291221 is a prime.

It is a super-2 number, since 2×54291225² = 5895074224001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54291192 and 54291201.

It is not an unprimeable number, because it can be changed into a prime (54291221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10005 + ... + 14445.

Almost surely, 2^54291225 is an apocalyptic number.

It is an amenable number.

54291225 is a deficient number, since it is larger than the sum of its proper divisors (36041287).

54291225 is a wasteful number, since it uses less digits than its factorization.

54291225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617 (or 4612 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 54291225 is about 7368.2579352246. The cubic root of 54291225 is about 378.6545795414.

The spelling of 54291225 in words is "fifty-four million, two hundred ninety-one thousand, two hundred twenty-five".