5457127391 has 8 divisors (see below), whose sum is σ = 5521824000. Its totient is φ = 5392780120.

The previous prime is 5457127363. The next prime is 5457127399. The reversal of 5457127391 is 1937217545.

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

It is a cyclic number.

It is not a de Polignac number, because 5457127391 - 2⁶ = 5457127327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457127399) 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, 55841 + ... + 118458.

It is an arithmetic number, because the mean of its divisors is an integer number (690228000).

Almost surely, 2^5457127391 is an apocalyptic number.

5457127391 is a deficient number, since it is larger than the sum of its proper divisors (64696609).

5457127391 is a wasteful number, since it uses less digits than its factorization.

5457127391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174669.

The product of its digits is 264600, while the sum is 44.

The square root of 5457127391 is about 73872.3723119814. The cubic root of 5457127391 is about 1760.5756758999.

The spelling of 5457127391 in words is "five billion, four hundred fifty-seven million, one hundred twenty-seven thousand, three hundred ninety-one".