55901647 has 8 divisors (see below), whose sum is σ = 58046400. Its totient is φ = 53771424.

The previous prime is 55901641. The next prime is 55901683. The reversal of 55901647 is 74610955.

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 55901647 - 2⁷ = 55901519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55901641) 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, 4554 + ... + 11512.

It is an arithmetic number, because the mean of its divisors is an integer number (7255800).

Almost surely, 2^55901647 is an apocalyptic number.

55901647 is a deficient number, since it is larger than the sum of its proper divisors (2144753).

55901647 is a wasteful number, since it uses less digits than its factorization.

55901647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 55901647 is about 7476.7403993987. The cubic root of 55901647 is about 382.3621261100.

The spelling of 55901647 in words is "fifty-five million, nine hundred one thousand, six hundred forty-seven".