54120525461 has 2 divisors, whose sum is σ = 54120525462. Its totient is φ = 54120525460.

The previous prime is 54120525401. The next prime is 54120525517. The reversal of 54120525461 is 16452502145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37280272561 + 16840252900 = 193081^2 + 129770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54120525461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54120525401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27060262730 + 27060262731.

It is an arithmetic number, because the mean of its divisors is an integer number (27060262731).

Almost surely, 2^54120525461 is an apocalyptic number.

It is an amenable number.

54120525461 is a deficient number, since it is larger than the sum of its proper divisors (1).

54120525461 is an equidigital number, since it uses as much as digits as its factorization.

54120525461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 54120525461 in words is "fifty-four billion, one hundred twenty million, five hundred twenty-five thousand, four hundred sixty-one".