55420883 has 8 divisors (see below), whose sum is σ = 64412160. Its totient is φ = 46698120.

The previous prime is 55420873. The next prime is 55420909. The reversal of 55420883 is 38802455.

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

It is not a de Polignac number, because 55420883 - 2⁶ = 55420819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55420873) 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, 66683 + ... + 67508.

It is an arithmetic number, because the mean of its divisors is an integer number (8051520).

Almost surely, 2^55420883 is an apocalyptic number.

55420883 is a deficient number, since it is larger than the sum of its proper divisors (8991277).

55420883 is a wasteful number, since it uses less digits than its factorization.

55420883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134257.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 55420883 is about 7444.5203337757. The cubic root of 55420883 is about 381.2628415275.

The spelling of 55420883 in words is "fifty-five million, four hundred twenty thousand, eight hundred eighty-three".