56121461277054 has 128 divisors (see below), whose sum is σ = 119730685870080. Its totient is φ = 17476046784000.

The previous prime is 56121461277023. The next prime is 56121461277103. The reversal of 56121461277054 is 45077216412165.

It is a happy number.

56121461277054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 56121461276988 and 56121461277006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26188268307 + ... + 26188270449.

It is an arithmetic number, because the mean of its divisors is an integer number (935395983360).

Almost surely, 2^{56121461277054} is an apocalyptic number.

56121461277054 is an abundant number, since it is smaller than the sum of its proper divisors (63609224593026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56121461277054 is a wasteful number, since it uses less digits than its factorization.

56121461277054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 56121461277054 in words is "fifty-six trillion, one hundred twenty-one billion, four hundred sixty-one million, two hundred seventy-seven thousand, fifty-four".