55164294970742 has 4 divisors (see below), whose sum is σ = 82746442456116. Its totient is φ = 27582147485370.

The previous prime is 55164294970703. The next prime is 55164294970793. The reversal of 55164294970742 is 24707949246155.

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

It is a super-2 number, since 2×55164294970742² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13791073742684 + ... + 13791073742687.

It is an arithmetic number, because the mean of its divisors is an integer number (20686610614029).

Almost surely, 2^{55164294970742} is an apocalyptic number.

55164294970742 is a deficient number, since it is larger than the sum of its proper divisors (27582147485374).

55164294970742 is a wasteful number, since it uses less digits than its factorization.

55164294970742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27582147485373.

The product of its (nonzero) digits is 152409600, while the sum is 65.

The spelling of 55164294970742 in words is "fifty-five trillion, one hundred sixty-four billion, two hundred ninety-four million, nine hundred seventy thousand, seven hundred forty-two".