55097692 has 12 divisors (see below), whose sum is σ = 103838056. Its totient is φ = 25429680.

The previous prime is 55097657. The next prime is 55097717. The reversal of 55097692 is 29679055.

It is a happy number.

55097692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529734 + ... + 529837.

Almost surely, 2^55097692 is an apocalyptic number.

55097692 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55097692 is a deficient number, since it is larger than the sum of its proper divisors (48740364).

55097692 is a wasteful number, since it uses less digits than its factorization.

55097692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059588 (or 1059586 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 55097692 is about 7422.7819582687. The cubic root of 55097692 is about 380.5202753385.

The spelling of 55097692 in words is "fifty-five million, ninety-seven thousand, six hundred ninety-two".