55901679 has 4 divisors (see below), whose sum is σ = 74535576. Its totient is φ = 37267784.

The previous prime is 55901641. The next prime is 55901683. The reversal of 55901679 is 97610955.

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 55901679 - 2⁷ = 55901551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55901679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55901179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9316944 + ... + 9316949.

It is an arithmetic number, because the mean of its divisors is an integer number (18633894).

Almost surely, 2^55901679 is an apocalyptic number.

55901679 is a deficient number, since it is larger than the sum of its proper divisors (18633897).

55901679 is a wasteful number, since it uses less digits than its factorization.

55901679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18633896.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 55901679 is about 7476.7425393683. The cubic root of 55901679 is about 382.3621990690.

The spelling of 55901679 in words is "fifty-five million, nine hundred one thousand, six hundred seventy-nine".