55121470403774 has 16 divisors (see below), whose sum is σ = 82713560814816. Its totient is φ = 27550284710400.

The previous prime is 55121470403771. The next prime is 55121470403803. The reversal of 55121470403774 is 47730407412155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55121470403771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90768554 + ... + 91373810.

It is an arithmetic number, because the mean of its divisors is an integer number (5169597550926).

Almost surely, 2^{55121470403774} is an apocalyptic number.

55121470403774 is a deficient number, since it is larger than the sum of its proper divisors (27592090411042).

55121470403774 is a wasteful number, since it uses less digits than its factorization.

55121470403774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622451.

The product of its (nonzero) digits is 3292800, while the sum is 50.

The spelling of 55121470403774 in words is "fifty-five trillion, one hundred twenty-one billion, four hundred seventy million, four hundred three thousand, seven hundred seventy-four".