55765497 has 8 divisors (see below), whose sum is σ = 76752640. Its totient is φ = 35977680.

The previous prime is 55765483. The next prime is 55765499. The reversal of 55765497 is 79456755.

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

It is not a de Polignac number, because 55765497 - 2¹² = 55761401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55765499) 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, 299722 + ... + 299907.

It is an arithmetic number, because the mean of its divisors is an integer number (9594080).

Almost surely, 2^55765497 is an apocalyptic number.

It is an amenable number.

55765497 is a deficient number, since it is larger than the sum of its proper divisors (20987143).

55765497 is a wasteful number, since it uses less digits than its factorization.

55765497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599663.

The product of its digits is 1323000, while the sum is 48.

The square root of 55765497 is about 7467.6299453039. The cubic root of 55765497 is about 382.0514559304.

The spelling of 55765497 in words is "fifty-five million, seven hundred sixty-five thousand, four hundred ninety-seven".