51342554421001 has 32 divisors (see below), whose sum is σ = 55370956452480. Its totient is φ = 47505303014400.

The previous prime is 51342554420981. The next prime is 51342554421061. The reversal of 51342554421001 is 10012445524315.

It is a cyclic number.

It is not a de Polignac number, because 51342554421001 - 2¹⁵ = 51342554388233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51342554421061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511885666 + ... + 511985956.

It is an arithmetic number, because the mean of its divisors is an integer number (1730342389140).

Almost surely, 2^{51342554421001} is an apocalyptic number.

It is an amenable number.

51342554421001 is a deficient number, since it is larger than the sum of its proper divisors (4028402031479).

51342554421001 is a wasteful number, since it uses less digits than its factorization.

51342554421001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107545.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 51342554421001 its reverse (10012445524315), we get a palindrome (61354999945316).

The spelling of 51342554421001 in words is "fifty-one trillion, three hundred forty-two billion, five hundred fifty-four million, four hundred twenty-one thousand, one".