54038440257 has 8 divisors (see below), whose sum is σ = 72056829984. Its totient is φ = 36022838688.

The previous prime is 54038440229. The next prime is 54038440307. The reversal of 54038440257 is 75204483045.

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

It is not a de Polignac number, because 54038440257 - 2¹⁶ = 54038374721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54038440207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651388 + ... + 729645.

It is an arithmetic number, because the mean of its divisors is an integer number (9007103748).

Almost surely, 2^54038440257 is an apocalyptic number.

It is an amenable number.

54038440257 is a deficient number, since it is larger than the sum of its proper divisors (18018389727).

54038440257 is a wasteful number, since it uses less digits than its factorization.

54038440257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394079.

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 54038440257 in words is "fifty-four billion, thirty-eight million, four hundred forty thousand, two hundred fifty-seven".