55869854 has 8 divisors (see below), whose sum is σ = 88734528. Its totient is φ = 26291680.

The previous prime is 55869851. The next prime is 55869881. The reversal of 55869854 is 45896855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55869851) 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, 821582 + ... + 821649.

It is an arithmetic number, because the mean of its divisors is an integer number (11091816).

Almost surely, 2^55869854 is an apocalyptic number.

55869854 is a deficient number, since it is larger than the sum of its proper divisors (32864674).

55869854 is a wasteful number, since it uses less digits than its factorization.

55869854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643250.

The product of its digits is 1728000, while the sum is 50.

The square root of 55869854 is about 7474.6139699653. The cubic root of 55869854 is about 382.2896252981.

The spelling of 55869854 in words is "fifty-five million, eight hundred sixty-nine thousand, eight hundred fifty-four".