54087878 has 16 divisors (see below), whose sum is σ = 89023536. Its totient is φ = 24492000.

The previous prime is 54087857. The next prime is 54087883. The reversal of 54087878 is 87878045.

It is a happy number.

54087878 is a modest number, since divided by 7878 gives 5408 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18248 + ... + 21003.

It is an arithmetic number, because the mean of its divisors is an integer number (5563971).

Almost surely, 2^54087878 is an apocalyptic number.

54087878 is a deficient number, since it is larger than the sum of its proper divisors (34935658).

54087878 is a wasteful number, since it uses less digits than its factorization.

54087878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39319.

The product of its (nonzero) digits is 501760, while the sum is 47.

The square root of 54087878 is about 7354.4461382214. The cubic root of 54087878 is about 378.1812396644.

The spelling of 54087878 in words is "fifty-four million, eighty-seven thousand, eight hundred seventy-eight".