51401701 has 8 divisors (see below), whose sum is σ = 55432160. Its totient is φ = 47382192.

The previous prime is 51401699. The next prime is 51401737. The reversal of 51401701 is 10710415.

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

It is not a de Polignac number, because 51401701 - 2¹ = 51401699 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 (51401771) 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, 8866 + ... + 13468.

It is an arithmetic number, because the mean of its divisors is an integer number (6929020).

Almost surely, 2^51401701 is an apocalyptic number.

It is an amenable number.

51401701 is a deficient number, since it is larger than the sum of its proper divisors (4030459).

51401701 is a wasteful number, since it uses less digits than its factorization.

51401701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 51401701 is about 7169.4979601085. The cubic root of 51401701 is about 371.8140787711.

The spelling of 51401701 in words is "fifty-one million, four hundred one thousand, seven hundred one".