51614386901 has 36 divisors (see below), whose sum is σ = 68430440736. Its totient is φ = 38101987440.

The previous prime is 51614386883. The next prime is 51614386909. The reversal of 51614386901 is 10968341615.

It is not a de Polignac number, because 51614386901 - 2²² = 51610192597 is a prime.

It is a super-2 number, since 2×51614386901² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51614386909) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 221366 + ... + 390168.

It is an arithmetic number, because the mean of its divisors is an integer number (1900845576).

Almost surely, 2^51614386901 is an apocalyptic number.

It is an amenable number.

51614386901 is a deficient number, since it is larger than the sum of its proper divisors (16816053835).

51614386901 is a wasteful number, since it uses less digits than its factorization.

51614386901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168870 (or 168840 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 51614386901 in words is "fifty-one billion, six hundred fourteen million, three hundred eighty-six thousand, nine hundred one".