55708497 has 24 divisors (see below), whose sum is σ = 86993088. Its totient is φ = 34149600.

The previous prime is 55708453. The next prime is 55708501. The reversal of 55708497 is 79480755.

55708497 is a `hidden beast` number, since 557 + 0 + 8 + 4 + 97 = 666.

It is not a de Polignac number, because 55708497 - 2¹⁰ = 55707473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55708097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35622 + ... + 37152.

It is an arithmetic number, because the mean of its divisors is an integer number (3624712).

Almost surely, 2^55708497 is an apocalyptic number.

It is an amenable number.

55708497 is a deficient number, since it is larger than the sum of its proper divisors (31284591).

55708497 is a wasteful number, since it uses less digits than its factorization.

55708497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 55708497 is about 7463.8124976449. The cubic root of 55708497 is about 381.9212418611.

The spelling of 55708497 in words is "fifty-five million, seven hundred eight thousand, four hundred ninety-seven".