54350781 has 8 divisors (see below), whose sum is σ = 74805504. Its totient is φ = 35064960.

The previous prime is 54350761. The next prime is 54350867. The reversal of 54350781 is 18705345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54350781 - 2¹⁵ = 54318013 is a prime.

It is a super-2 number, since 2×54350781² = 5908014790619922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54350711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292116 + ... + 292301.

It is an arithmetic number, because the mean of its divisors is an integer number (9350688).

Almost surely, 2^54350781 is an apocalyptic number.

It is an amenable number.

54350781 is a deficient number, since it is larger than the sum of its proper divisors (20454723).

54350781 is a wasteful number, since it uses less digits than its factorization.

54350781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584451.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 54350781 is about 7372.2982169741. The cubic root of 54350781 is about 378.7929868756.

The spelling of 54350781 in words is "fifty-four million, three hundred fifty thousand, seven hundred eighty-one".