54620197 has 4 divisors (see below), whose sum is σ = 54675340. Its totient is φ = 54565056.

The previous prime is 54620141. The next prime is 54620207. The reversal of 54620197 is 79102645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5044516 + 49575681 = 2246^2 + 7041^2 .

It is a cyclic number.

It is not a de Polignac number, because 54620197 - 2²³ = 46231589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54620107) 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, 26058 + ... + 28075.

It is an arithmetic number, because the mean of its divisors is an integer number (13668835).

Almost surely, 2^54620197 is an apocalyptic number.

It is an amenable number.

54620197 is a deficient number, since it is larger than the sum of its proper divisors (55143).

54620197 is a wasteful number, since it uses less digits than its factorization.

54620197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55142.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 54620197 is about 7390.5478146075. The cubic root of 54620197 is about 379.4178459082.

The spelling of 54620197 in words is "fifty-four million, six hundred twenty thousand, one hundred ninety-seven".