54387694 has 4 divisors (see below), whose sum is σ = 81581544. Its totient is φ = 27193846.

The previous prime is 54387679. The next prime is 54387713. The reversal of 54387694 is 49678345.

54387694 = T₆₀₂₀ + T₆₀₂₁ + T₆₀₂₂.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13596922 + ... + 13596925.

It is an arithmetic number, because the mean of its divisors is an integer number (20395386).

Almost surely, 2^54387694 is an apocalyptic number.

54387694 is the 6022-nd centered triangular number.

54387694 is a deficient number, since it is larger than the sum of its proper divisors (27193850).

54387694 is a wasteful number, since it uses less digits than its factorization.

54387694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27193849.

The product of its digits is 725760, while the sum is 46.

The square root of 54387694 is about 7374.8012854585. The cubic root of 54387694 is about 378.8787214380.

The spelling of 54387694 in words is "fifty-four million, three hundred eighty-seven thousand, six hundred ninety-four".