54887293 has 4 divisors (see below), whose sum is σ = 54923260. Its totient is φ = 54851328.

The previous prime is 54887263. The next prime is 54887303. The reversal of 54887293 is 39278845.

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 36457444 + 18429849 = 6038^2 + 4293^2 .

It is a cyclic number.

It is not a de Polignac number, because 54887293 - 2⁹ = 54886781 is a prime.

It is a super-2 number, since 2×54887293² = 6025229865735698, 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 (54887263) 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, 15588 + ... + 18781.

It is an arithmetic number, because the mean of its divisors is an integer number (13730815).

Almost surely, 2^54887293 is an apocalyptic number.

It is an amenable number.

54887293 is a deficient number, since it is larger than the sum of its proper divisors (35967).

54887293 is a wasteful number, since it uses less digits than its factorization.

54887293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35966.

The product of its digits is 483840, while the sum is 46.

The square root of 54887293 is about 7408.5958858612. The cubic root of 54887293 is about 380.0352991216.

The spelling of 54887293 in words is "fifty-four million, eight hundred eighty-seven thousand, two hundred ninety-three".