54545402 has 4 divisors (see below), whose sum is σ = 81818106. Its totient is φ = 27272700.

The previous prime is 54545389. The next prime is 54545419. The reversal of 54545402 is 20454545.

54545402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 52693081 + 1852321 = 7259^2 + 1361^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13636349 + ... + 13636352.

Almost surely, 2^54545402 is an apocalyptic number.

54545402 is a deficient number, since it is larger than the sum of its proper divisors (27272704).

54545402 is a wasteful number, since it uses less digits than its factorization.

54545402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27272703.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 54545402 is about 7385.4859014150. The cubic root of 54545402 is about 379.2445795907.

Adding to 54545402 its reverse (20454545), we get a palindrome (74999947).

The spelling of 54545402 in words is "fifty-four million, five hundred forty-five thousand, four hundred two".