54940031 has 4 divisors (see below), whose sum is σ = 57328752. Its totient is φ = 52551312.

The previous prime is 54940021. The next prime is 54940057. The reversal of 54940031 is 13004945.

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 54940031 - 2¹⁴ = 54923647 is a prime.

It is a super-2 number, since 2×54940031² = 6036814012561922, 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 (54940021) 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, 1194326 + ... + 1194371.

It is an arithmetic number, because the mean of its divisors is an integer number (14332188).

Almost surely, 2^54940031 is an apocalyptic number.

54940031 is a deficient number, since it is larger than the sum of its proper divisors (2388721).

54940031 is a wasteful number, since it uses less digits than its factorization.

54940031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388720.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 54940031 is about 7412.1542752428. The cubic root of 54940031 is about 380.1569780797.

Adding to 54940031 its reverse (13004945), we get a palindrome (67944976).

The spelling of 54940031 in words is "fifty-four million, nine hundred forty thousand, thirty-one".