54663797 has 4 divisors (see below), whose sum is σ = 54836556. Its totient is φ = 54491040.

The previous prime is 54663769. The next prime is 54663803. The reversal of 54663797 is 79736645.

It is a happy number.

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 17380561 + 37283236 = 4169^2 + 6106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54663797 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 (54668797) 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, 85904 + ... + 86537.

It is an arithmetic number, because the mean of its divisors is an integer number (13709139).

Almost surely, 2^54663797 is an apocalyptic number.

It is an amenable number.

54663797 is a deficient number, since it is larger than the sum of its proper divisors (172759).

54663797 is a wasteful number, since it uses less digits than its factorization.

54663797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172758.

The product of its digits is 952560, while the sum is 47.

The square root of 54663797 is about 7393.4969398790. The cubic root of 54663797 is about 379.5187744980.

The spelling of 54663797 in words is "fifty-four million, six hundred sixty-three thousand, seven hundred ninety-seven".