54802217 has 8 divisors (see below), whose sum is σ = 57208392. Its totient is φ = 52444800.

The previous prime is 54802211. The next prime is 54802229. The reversal of 54802217 is 71220845.

It can be written as a sum of positive squares in 4 ways, for example, as 17884441 + 36917776 = 4229^2 + 6076^2 .

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 54802217 - 2²² = 50607913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54802217.

It is not an unprimeable number, because it can be changed into a prime (54802211) 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, 9884 + ... + 14397.

It is an arithmetic number, because the mean of its divisors is an integer number (7151049).

Almost surely, 2^54802217 is an apocalyptic number.

It is an amenable number.

54802217 is a deficient number, since it is larger than the sum of its proper divisors (2406175).

54802217 is a wasteful number, since it uses less digits than its factorization.

54802217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24379.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 54802217 is about 7402.8519504310. The cubic root of 54802217 is about 379.8388444070.

The spelling of 54802217 in words is "fifty-four million, eight hundred two thousand, two hundred seventeen".