54022190691 has 16 divisors (see below), whose sum is σ = 87161854464. Its totient is φ = 29053951104.

The previous prime is 54022190681. The next prime is 54022190737. The reversal of 54022190691 is 19609122045.

It is not a de Polignac number, because 54022190691 - 2⁹ = 54022190179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54022190681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75660975 + ... + 75661688.

It is an arithmetic number, because the mean of its divisors is an integer number (5447615904).

Almost surely, 2^54022190691 is an apocalyptic number.

54022190691 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

54022190691 is a deficient number, since it is larger than the sum of its proper divisors (33139663773).

54022190691 is a wasteful number, since it uses less digits than its factorization.

54022190691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151322690.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 54022190691 in words is "fifty-four billion, twenty-two million, one hundred ninety thousand, six hundred ninety-one".