55502042745 has 8 divisors (see below), whose sum is σ = 88803268416. Its totient is φ = 29601089456.

The previous prime is 55502042741. The next prime is 55502042759. The reversal of 55502042745 is 54724020555.

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

It is a cyclic number.

It is not a de Polignac number, because 55502042745 - 2² = 55502042741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55502042741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850068077 + ... + 1850068106.

It is an arithmetic number, because the mean of its divisors is an integer number (11100408552).

Almost surely, 2^55502042745 is an apocalyptic number.

It is an amenable number.

55502042745 is a deficient number, since it is larger than the sum of its proper divisors (33301225671).

55502042745 is a wasteful number, since it uses less digits than its factorization.

55502042745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700136191.

The product of its (nonzero) digits is 280000, while the sum is 39.

The spelling of 55502042745 in words is "fifty-five billion, five hundred two million, forty-two thousand, seven hundred forty-five".