55445542502 has 8 divisors (see below), whose sum is σ = 95049501456. Its totient is φ = 23762375352.

The previous prime is 55445542489. The next prime is 55445542541. The reversal of 55445542502 is 20524554455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55445542502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980197933 + ... + 1980197960.

It is an arithmetic number, because the mean of its divisors is an integer number (11881187682).

Almost surely, 2^55445542502 is an apocalyptic number.

55445542502 is a deficient number, since it is larger than the sum of its proper divisors (39603958954).

55445542502 is a wasteful number, since it uses less digits than its factorization.

55445542502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960395902.

The product of its (nonzero) digits is 800000, while the sum is 41.

The spelling of 55445542502 in words is "fifty-five billion, four hundred forty-five million, five hundred forty-two thousand, five hundred two".