54059381 has 4 divisors (see below), whose sum is σ = 55803264. Its totient is φ = 52315500.

The previous prime is 54059333. The next prime is 54059429. The reversal of 54059381 is 18395045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18395045 = 5 ⋅3679009.

It is an interprime number because it is at equal distance from previous prime (54059333) and next prime (54059429).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54059381 is a prime.

It is a super-2 number, since 2×54059381² = 5844833348206322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54059321) 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, 871895 + ... + 871956.

It is an arithmetic number, because the mean of its divisors is an integer number (13950816).

Almost surely, 2^54059381 is an apocalyptic number.

It is an amenable number.

54059381 is a deficient number, since it is larger than the sum of its proper divisors (1743883).

54059381 is a wasteful number, since it uses less digits than its factorization.

54059381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743882.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 54059381 is about 7352.5084835041. The cubic root of 54059381 is about 378.1148112001.

The spelling of 54059381 in words is "fifty-four million, fifty-nine thousand, three hundred eighty-one".