54061515565357 has 4 divisors (see below), whose sum is σ = 55805435422336. Its totient is φ = 52317595708380.

The previous prime is 54061515565349. The next prime is 54061515565373. The reversal of 54061515565357 is 75356551516045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54061515565357 - 2³ = 54061515565349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54061515565397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871959928443 + ... + 871959928504.

It is an arithmetic number, because the mean of its divisors is an integer number (13951358855584).

Almost surely, 2^{54061515565357} is an apocalyptic number.

It is an amenable number.

54061515565357 is a deficient number, since it is larger than the sum of its proper divisors (1743919856979).

54061515565357 is a wasteful number, since it uses less digits than its factorization.

54061515565357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743919856978.

The product of its (nonzero) digits is 47250000, while the sum is 58.

The spelling of 54061515565357 in words is "fifty-four trillion, sixty-one billion, five hundred fifteen million, five hundred sixty-five thousand, three hundred fifty-seven".