51974101 has 16 divisors (see below), whose sum is σ = 56568960. Its totient is φ = 47589120.

The previous prime is 51974099. The next prime is 51974113. The reversal of 51974101 is 10147915.

It is a 4-Lehmer number, since φ(51974101) divides (51974101-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 51974101 - 2¹ = 51974099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51974101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51974141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106480 + ... + 106966.

It is an arithmetic number, because the mean of its divisors is an integer number (3535560).

Almost surely, 2^51974101 is an apocalyptic number.

It is an amenable number.

51974101 is a deficient number, since it is larger than the sum of its proper divisors (4594859).

51974101 is a wasteful number, since it uses less digits than its factorization.

51974101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 51974101 is about 7209.3065547249. The cubic root of 51974101 is about 373.1891385281.

The spelling of 51974101 in words is "fifty-one million, nine hundred seventy-four thousand, one hundred one".