54965691 has 12 divisors (see below), whose sum is σ = 86612760. Its totient is φ = 33312480.

The previous prime is 54965681. The next prime is 54965693. The reversal of 54965691 is 19656945.

It is a happy number.

It is not a de Polignac number, because 54965691 - 2⁶ = 54965627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54965693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277506 + ... + 277703.

It is an arithmetic number, because the mean of its divisors is an integer number (7217730).

Almost surely, 2^54965691 is an apocalyptic number.

54965691 is a deficient number, since it is larger than the sum of its proper divisors (31647069).

54965691 is a wasteful number, since it uses less digits than its factorization.

54965691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555226 (or 555223 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 54965691 is about 7413.8850139451. The cubic root of 54965691 is about 380.2161535697.

The spelling of 54965691 in words is "fifty-four million, nine hundred sixty-five thousand, six hundred ninety-one".