54964909 has 4 divisors (see below), whose sum is σ = 55360480. Its totient is φ = 54569340.

The previous prime is 54964837. The next prime is 54964957. The reversal of 54964909 is 90946945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54964909 is a prime.

It is a super-2 number, since 2×54964909² = 6042282442756562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54964409) 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, 197577 + ... + 197854.

It is an arithmetic number, because the mean of its divisors is an integer number (13840120).

Almost surely, 2^54964909 is an apocalyptic number.

It is an amenable number.

54964909 is a deficient number, since it is larger than the sum of its proper divisors (395571).

54964909 is a wasteful number, since it uses less digits than its factorization.

54964909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395570.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 54964909 is about 7413.8322748765. The cubic root of 54964909 is about 380.2143504423.

The spelling of 54964909 in words is "fifty-four million, nine hundred sixty-four thousand, nine hundred nine".