55497723 has 8 divisors (see below), whose sum is σ = 75801936. Its totient is φ = 36096000.

The previous prime is 55497713. The next prime is 55497749. The reversal of 55497723 is 32779455.

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

It is not a de Polignac number, because 55497723 - 2⁵ = 55497691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55497703) 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, 225478 + ... + 225723.

It is an arithmetic number, because the mean of its divisors is an integer number (9475242).

Almost surely, 2^55497723 is an apocalyptic number.

55497723 is a deficient number, since it is larger than the sum of its proper divisors (20304213).

55497723 is a wasteful number, since it uses less digits than its factorization.

55497723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451245.

The product of its digits is 264600, while the sum is 42.

The square root of 55497723 is about 7449.6793890744. The cubic root of 55497723 is about 381.4389647144.

The spelling of 55497723 in words is "fifty-five million, four hundred ninety-seven thousand, seven hundred twenty-three".