54805931 has 2 divisors, whose sum is σ = 54805932. Its totient is φ = 54805930.

The previous prime is 54805897. The next prime is 54805967. The reversal of 54805931 is 13950845.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54805931 is a prime.

It is a super-2 number, since 2×54805931² = 6007380145553522, which contains 22 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 54805891 and 54805900.

It is not a weakly prime, because it can be changed into another prime (54802931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27402965 + 27402966.

It is an arithmetic number, because the mean of its divisors is an integer number (27402966).

Almost surely, 2^54805931 is an apocalyptic number.

54805931 is a deficient number, since it is larger than the sum of its proper divisors (1).

54805931 is an equidigital number, since it uses as much as digits as its factorization.

54805931 is an evil number, because the sum of its binary digits is even.

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

The square root of 54805931 is about 7403.1027954500. The cubic root of 54805931 is about 379.8474248968.

It can be divided in two parts, 5480 and 5931, that added together give a palindrome (11411).

The spelling of 54805931 in words is "fifty-four million, eight hundred five thousand, nine hundred thirty-one".