51749077 has 8 divisors (see below), whose sum is σ = 52958880. Its totient is φ = 50550480.

The previous prime is 51749069. The next prime is 51749101. The reversal of 51749077 is 77094715.

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 51749077 - 2³ = 51749069 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 (51749017) 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, 6927 + ... + 12307.

It is an arithmetic number, because the mean of its divisors is an integer number (6619860).

Almost surely, 2^51749077 is an apocalyptic number.

It is an amenable number.

51749077 is a deficient number, since it is larger than the sum of its proper divisors (1209803).

51749077 is a wasteful number, since it uses less digits than its factorization.

51749077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 51749077 is about 7193.6831317483. The cubic root of 51749077 is about 372.6497801637.

It can be divided in two parts, 517 and 49077, that added together give a palindrome (49594).

The spelling of 51749077 in words is "fifty-one million, seven hundred forty-nine thousand, seventy-seven".