55901767 has 4 divisors (see below), whose sum is σ = 55921096. Its totient is φ = 55882440.

The previous prime is 55901719. The next prime is 55901801. The reversal of 55901767 is 76710955.

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 55901767 - 2¹¹ = 55899719 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 (55901467) 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, 4353 + ... + 11434.

It is an arithmetic number, because the mean of its divisors is an integer number (13980274).

Almost surely, 2^55901767 is an apocalyptic number.

55901767 is a deficient number, since it is larger than the sum of its proper divisors (19329).

55901767 is a wasteful number, since it uses less digits than its factorization.

55901767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19328.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 55901767 is about 7476.7484242818. The cubic root of 55901767 is about 382.3623997061.

The spelling of 55901767 in words is "fifty-five million, nine hundred one thousand, seven hundred sixty-seven".