54670180781 has 4 divisors (see below), whose sum is σ = 54682114272. Its totient is φ = 54658247292.

The previous prime is 54670180757. The next prime is 54670180787. The reversal of 54670180781 is 18708107645.

54670180781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 18708107645 = 5 ⋅3741621529.

It is a cyclic number.

It is not a de Polignac number, because 54670180781 - 2¹⁴ = 54670164397 is a prime.

It is a super-2 number, since 2×54670180781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54670180787) 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, 5959871 + ... + 5969036.

It is an arithmetic number, because the mean of its divisors is an integer number (13670528568).

Almost surely, 2^54670180781 is an apocalyptic number.

It is an amenable number.

54670180781 is a deficient number, since it is larger than the sum of its proper divisors (11933491).

54670180781 is a wasteful number, since it uses less digits than its factorization.

54670180781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11933490.

The product of its (nonzero) digits is 376320, while the sum is 47.

The spelling of 54670180781 in words is "fifty-four billion, six hundred seventy million, one hundred eighty thousand, seven hundred eighty-one".