54077815 has 8 divisors (see below), whose sum is σ = 70792848. Its totient is φ = 39329280.

The previous prime is 54077783. The next prime is 54077909. The reversal of 54077815 is 51877045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54077815 - 2⁵ = 54077783 is a prime.

It is a Duffinian number.

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, 491562 + ... + 491671.

It is an arithmetic number, because the mean of its divisors is an integer number (8849106).

Almost surely, 2^54077815 is an apocalyptic number.

54077815 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54077815 is a deficient number, since it is larger than the sum of its proper divisors (16715033).

54077815 is a wasteful number, since it uses less digits than its factorization.

54077815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983249.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 54077815 is about 7353.7619624244. The cubic root of 54077815 is about 378.1577847857.

The spelling of 54077815 in words is "fifty-four million, seventy-seven thousand, eight hundred fifteen".