55374077118551 has 4 divisors (see below), whose sum is σ = 55403114392152. Its totient is φ = 55345039844952.

The previous prime is 55374077118511. The next prime is 55374077118649. The reversal of 55374077118551 is 15581177047355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55374077118551 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 (55374077118511) 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, 14518633940 + ... + 14518637753.

It is an arithmetic number, because the mean of its divisors is an integer number (13850778598038).

Almost surely, 2^{55374077118551} is an apocalyptic number.

55374077118551 is a deficient number, since it is larger than the sum of its proper divisors (29037273601).

55374077118551 is a wasteful number, since it uses less digits than its factorization.

55374077118551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29037273600.

The product of its (nonzero) digits is 20580000, while the sum is 59.

The spelling of 55374077118551 in words is "fifty-five trillion, three hundred seventy-four billion, seventy-seven million, one hundred eighteen thousand, five hundred fifty-one".