54739951 has 4 divisors (see below), whose sum is σ = 62559952. Its totient is φ = 46919952.

The previous prime is 54739939. The next prime is 54739991. The reversal of 54739951 is 15993745.

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

It is a cyclic number.

It is not a de Polignac number, because 54739951 - 2⁷ = 54739823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54739898 and 54739907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54739901) 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, 3909990 + ... + 3910003.

It is an arithmetic number, because the mean of its divisors is an integer number (15639988).

Almost surely, 2^54739951 is an apocalyptic number.

54739951 is a deficient number, since it is larger than the sum of its proper divisors (7820001).

54739951 is an equidigital number, since it uses as much as digits as its factorization.

54739951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7820000.

The product of its digits is 170100, while the sum is 43.

The square root of 54739951 is about 7398.6452138212. The cubic root of 54739951 is about 379.6949329022.

The spelling of 54739951 in words is "fifty-four million, seven hundred thirty-nine thousand, nine hundred fifty-one".