54951099 has 24 divisors (see below), whose sum is σ = 85809168. Its totient is φ = 31187520.

The previous prime is 54951077. The next prime is 54951101. The reversal of 54951099 is 99015945.

It is a happy number.

It is not a de Polignac number, because 54951099 - 2⁵ = 54951067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54951099.

It is not an unprimeable number, because it can be changed into a prime (54952099) 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, 21889 + ... + 24269.

It is an arithmetic number, because the mean of its divisors is an integer number (3575382).

Almost surely, 2^54951099 is an apocalyptic number.

54951099 is a deficient number, since it is larger than the sum of its proper divisors (30858069).

54951099 is a wasteful number, since it uses less digits than its factorization.

54951099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 54951099 is about 7412.9008491953. The cubic root of 54951099 is about 380.1825046696.

The spelling of 54951099 in words is "fifty-four million, nine hundred fifty-one thousand, ninety-nine".