55279469 has 8 divisors (see below), whose sum is σ = 64042560. Its totient is φ = 46732896.

The previous prime is 55279463. The next prime is 55279501. The reversal of 55279469 is 96497255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55279469 - 2⁴ = 55279453 is a prime.

It is a super-2 number, since 2×55279469² = 6111639385843922, 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 (55279463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53579 + ... + 54600.

It is an arithmetic number, because the mean of its divisors is an integer number (8005320).

Almost surely, 2^55279469 is an apocalyptic number.

It is an amenable number.

55279469 is a deficient number, since it is larger than the sum of its proper divisors (8763091).

55279469 is a wasteful number, since it uses less digits than its factorization.

55279469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108259.

The product of its digits is 680400, while the sum is 47.

The square root of 55279469 is about 7435.0164088588. The cubic root of 55279469 is about 380.9382838060.

The spelling of 55279469 in words is "fifty-five million, two hundred seventy-nine thousand, four hundred sixty-nine".