51354344541 has 16 divisors (see below), whose sum is σ = 73436207040. Its totient is φ = 31822352640.

The previous prime is 51354344537. The next prime is 51354344581. The reversal of 51354344541 is 14544345315.

It is not a de Polignac number, because 51354344541 - 2² = 51354344537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51354344541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51354344581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8496540 + ... + 8502581.

It is an arithmetic number, because the mean of its divisors is an integer number (4589762940).

Almost surely, 2^51354344541 is an apocalyptic number.

It is an amenable number.

51354344541 is a deficient number, since it is larger than the sum of its proper divisors (22081862499).

51354344541 is a wasteful number, since it uses less digits than its factorization.

51354344541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16999196.

The product of its digits is 288000, while the sum is 39.

Adding to 51354344541 its reverse (14544345315), we get a palindrome (65898689856).

The spelling of 51354344541 in words is "fifty-one billion, three hundred fifty-four million, three hundred forty-four thousand, five hundred forty-one".