55459279402 has 4 divisors (see below), whose sum is σ = 83188919106. Its totient is φ = 27729639700.

The previous prime is 55459279399. The next prime is 55459279411. The reversal of 55459279402 is 20497295455.

It is a happy number.

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., 33738709761 + 21720569641 = 183681^2 + 147379^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55459279402.

It is an unprimeable number.

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, 13864819849 + ... + 13864819852.

Almost surely, 2^55459279402 is an apocalyptic number.

55459279402 is a deficient number, since it is larger than the sum of its proper divisors (27729639704).

55459279402 is a wasteful number, since it uses less digits than its factorization.

55459279402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27729639703.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 55459279402 in words is "fifty-five billion, four hundred fifty-nine million, two hundred seventy-nine thousand, four hundred two".