54515554 has 4 divisors (see below), whose sum is σ = 81773334. Its totient is φ = 27257776.

The previous prime is 54515551. The next prime is 54515557. The reversal of 54515554 is 45551545.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (54515551) and next prime (54515557).

It can be written as a sum of positive squares in only one way, i.e., 44422225 + 10093329 = 6665^2 + 3177^2 .

It is not an unprimeable number, because it can be changed into a prime (54515551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13628887 + ... + 13628890.

Almost surely, 2^54515554 is an apocalyptic number.

54515554 is a deficient number, since it is larger than the sum of its proper divisors (27257780).

54515554 is a wasteful number, since it uses less digits than its factorization.

54515554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27257779.

The product of its digits is 50000, while the sum is 34.

The square root of 54515554 is about 7383.4649047720. The cubic root of 54515554 is about 379.1753910054.

The spelling of 54515554 in words is "fifty-four million, five hundred fifteen thousand, five hundred fifty-four".