54461878 has 4 divisors (see below), whose sum is σ = 81692820. Its totient is φ = 27230938.

The previous prime is 54461839. The next prime is 54461879. The reversal of 54461878 is 87816445.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54461879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13615468 + ... + 13615471.

It is an arithmetic number, because the mean of its divisors is an integer number (20423205).

Almost surely, 2^54461878 is an apocalyptic number.

54461878 is a deficient number, since it is larger than the sum of its proper divisors (27230942).

54461878 is a wasteful number, since it uses less digits than its factorization.

54461878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27230941.

The product of its digits is 215040, while the sum is 43.

The square root of 54461878 is about 7379.8291308133. The cubic root of 54461878 is about 379.0509048103.

The spelling of 54461878 in words is "fifty-four million, four hundred sixty-one thousand, eight hundred seventy-eight".