5457392985 has 64 divisors (see below), whose sum is σ = 10172252160. Its totient is φ = 2472288000.

The previous prime is 5457392977. The next prime is 5457393037. The reversal of 5457392985 is 5892937545.

It is a happy number.

It is not a de Polignac number, because 5457392985 - 2³ = 5457392977 is a prime.

It is a super-4 number, since 4×5457392985⁴ (a number of 40 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129940 + ... + 166730.

It is an arithmetic number, because the mean of its divisors is an integer number (158941440).

Almost surely, 2^5457392985 is an apocalyptic number.

5457392985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5457392985 is a deficient number, since it is larger than the sum of its proper divisors (4714859175).

5457392985 is a wasteful number, since it uses less digits than its factorization.

5457392985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36870.

The product of its digits is 13608000, while the sum is 57.

The square root of 5457392985 is about 73874.1699445754. The cubic root of 5457392985 is about 1760.6042373705.

The spelling of 5457392985 in words is "five billion, four hundred fifty-seven million, three hundred ninety-two thousand, nine hundred eighty-five".