54878633 has 4 divisors (see below), whose sum is σ = 54893508. Its totient is φ = 54863760.

The previous prime is 54878627. The next prime is 54878639. The reversal of 54878633 is 33687845.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (54878627) and next prime (54878639).

It can be written as a sum of positive squares in 2 ways, for example, as 23931664 + 30946969 = 4892^2 + 5563^2 .

It is a cyclic number.

It is not a de Polignac number, because 54878633 - 2⁴ = 54878617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54878639) 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, 2735 + ... + 10827.

It is an arithmetic number, because the mean of its divisors is an integer number (13723377).

Almost surely, 2^54878633 is an apocalyptic number.

It is an amenable number.

54878633 is a deficient number, since it is larger than the sum of its proper divisors (14875).

54878633 is an equidigital number, since it uses as much as digits as its factorization.

54878633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14874.

The product of its digits is 483840, while the sum is 44.

The square root of 54878633 is about 7408.0114065787. The cubic root of 54878633 is about 380.0153110174.

The spelling of 54878633 in words is "fifty-four million, eight hundred seventy-eight thousand, six hundred thirty-three".