51112547 has 8 divisors (see below), whose sum is σ = 52617216. Its totient is φ = 49625352.

The previous prime is 51112541. The next prime is 51112573. The reversal of 51112547 is 74521115.

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 51112547 - 2⁴ = 51112531 is a prime.

It is a super-2 number, since 2×51112547² = 5224984921654418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51112541) 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, 1688 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (6577152).

Almost surely, 2^51112547 is an apocalyptic number.

51112547 is a deficient number, since it is larger than the sum of its proper divisors (1504669).

51112547 is a wasteful number, since it uses less digits than its factorization.

51112547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737.

The product of its digits is 1400, while the sum is 26.

The square root of 51112547 is about 7149.3039521341. The cubic root of 51112547 is about 371.1155690843.

The spelling of 51112547 in words is "fifty-one million, one hundred twelve thousand, five hundred forty-seven".