51641401 has 8 divisors (see below), whose sum is σ = 59603904. Its totient is φ = 43825200.

The previous prime is 51641347. The next prime is 51641437. The reversal of 51641401 is 10414615.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51641401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51641101) 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, 35815 + ... + 37228.

It is an arithmetic number, because the mean of its divisors is an integer number (7450488).

Almost surely, 2^51641401 is an apocalyptic number.

It is an amenable number.

51641401 is a deficient number, since it is larger than the sum of its proper divisors (7962503).

51641401 is a wasteful number, since it uses less digits than its factorization.

51641401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73151.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 51641401 is about 7186.1951685158. The cubic root of 51641401 is about 372.3911391575.

It can be divided in two parts, 516 and 41401, that multiplied together give a triangular number (21362916 = T₆₅₃₆).

The spelling of 51641401 in words is "fifty-one million, six hundred forty-one thousand, four hundred one".