55901807 has 8 divisors (see below), whose sum is σ = 60371136. Its totient is φ = 51456672.

The previous prime is 55901801. The next prime is 55901843. The reversal of 55901807 is 70810955.

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 55901807 - 2⁸ = 55901551 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 (55901801) 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, 1088 + ... + 10629.

It is an arithmetic number, because the mean of its divisors is an integer number (7546392).

Almost surely, 2^55901807 is an apocalyptic number.

55901807 is a deficient number, since it is larger than the sum of its proper divisors (4469329).

55901807 is a wasteful number, since it uses less digits than its factorization.

55901807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12097.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 55901807 is about 7476.7510992409. The cubic root of 55901807 is about 382.3624909048.

The spelling of 55901807 in words is "fifty-five million, nine hundred one thousand, eight hundred seven".