51455701 has 8 divisors (see below), whose sum is σ = 56577024. Its totient is φ = 46408320.

The previous prime is 51455699. The next prime is 51455707. The reversal of 51455701 is 10755415.

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 51455701 - 2¹ = 51455699 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 51455701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51455707) 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, 17020 + ... + 19813.

It is an arithmetic number, because the mean of its divisors is an integer number (7072128).

Almost surely, 2^51455701 is an apocalyptic number.

It is an amenable number.

51455701 is a deficient number, since it is larger than the sum of its proper divisors (5121323).

51455701 is a wasteful number, since it uses less digits than its factorization.

51455701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36971.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 51455701 is about 7173.2629256148. The cubic root of 51455701 is about 371.9442361589.

The spelling of 51455701 in words is "fifty-one million, four hundred fifty-five thousand, seven hundred one".