55276497 has 6 divisors (see below), whose sum is σ = 79843842. Its totient is φ = 36850992.

The previous prime is 55276493. The next prime is 55276531. The reversal of 55276497 is 79467255.

55276497 is a `hidden beast` number, since 552 + 7 + 6 + 4 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38825361 + 16451136 = 6231^2 + 4056^2 .

It is not a de Polignac number, because 55276497 - 2² = 55276493 is a prime.

It is a super-2 number, since 2×55276497² = 6110982241182018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55276493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3070908 + ... + 3070925.

It is an arithmetic number, because the mean of its divisors is an integer number (13307307).

Almost surely, 2^55276497 is an apocalyptic number.

It is an amenable number.

55276497 is a deficient number, since it is larger than the sum of its proper divisors (24567345).

55276497 is a wasteful number, since it uses less digits than its factorization.

55276497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141839 (or 6141836 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 55276497 is about 7434.8165411125. The cubic root of 55276497 is about 380.9314568659.

The spelling of 55276497 in words is "fifty-five million, two hundred seventy-six thousand, four hundred ninety-seven".