55015457767 has 4 divisors (see below), whose sum is σ = 55016528416. Its totient is φ = 55014387120.

The previous prime is 55015457759. The next prime is 55015457807. The reversal of 55015457767 is 76775451055.

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

It is a cyclic number.

It is not a de Polignac number, because 55015457767 - 2³ = 55015457759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015457737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454143 + ... + 562384.

It is an arithmetic number, because the mean of its divisors is an integer number (13754132104).

Almost surely, 2^55015457767 is an apocalyptic number.

55015457767 is a deficient number, since it is larger than the sum of its proper divisors (1070649).

55015457767 is a wasteful number, since it uses less digits than its factorization.

55015457767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070648.

The product of its (nonzero) digits is 5145000, while the sum is 52.

The spelling of 55015457767 in words is "fifty-five billion, fifteen million, four hundred fifty-seven thousand, seven hundred sixty-seven".