54450515 has 12 divisors (see below), whose sum is σ = 76008816. Its totient is φ = 37337328.

The previous prime is 54450509. The next prime is 54450521. The reversal of 54450515 is 51505445.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54450509) and next prime (54450521).

It is not a de Polignac number, because 54450515 - 2²⁰ = 53401939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110879 + ... + 111368.

It is an arithmetic number, because the mean of its divisors is an integer number (6334068).

Almost surely, 2^54450515 is an apocalyptic number.

54450515 is a deficient number, since it is larger than the sum of its proper divisors (21558301).

54450515 is a wasteful number, since it uses less digits than its factorization.

54450515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222266 (or 222259 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 54450515 is about 7379.0592218792. The cubic root of 54450515 is about 379.0245410786.

The spelling of 54450515 in words is "fifty-four million, four hundred fifty thousand, five hundred fifteen".