55802839 has 8 divisors (see below), whose sum is σ = 56553840. Its totient is φ = 55055616.

The previous prime is 55802837. The next prime is 55802897. The reversal of 55802839 is 93820855.

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 55802839 - 2¹ = 55802837 is a prime.

It is a super-2 number, since 2×55802839² = 6227913680919842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55802833) 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, 39957 + ... + 41329.

It is an arithmetic number, because the mean of its divisors is an integer number (7069230).

Almost surely, 2^55802839 is an apocalyptic number.

55802839 is a deficient number, since it is larger than the sum of its proper divisors (751001).

55802839 is a wasteful number, since it uses less digits than its factorization.

55802839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 55802839 is about 7470.1297846825. The cubic root of 55802839 is about 382.1367140381.

The spelling of 55802839 in words is "fifty-five million, eight hundred two thousand, eight hundred thirty-nine".