55150097 has 4 divisors (see below), whose sum is σ = 55814640. Its totient is φ = 54485556.

The previous prime is 55150063. The next prime is 55150099. The reversal of 55150097 is 79005155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55150097 - 2⁶ = 55150033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55150099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332147 + ... + 332312.

It is an arithmetic number, because the mean of its divisors is an integer number (13953660).

Almost surely, 2^55150097 is an apocalyptic number.

It is an amenable number.

55150097 is a deficient number, since it is larger than the sum of its proper divisors (664543).

55150097 is an equidigital number, since it uses as much as digits as its factorization.

55150097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664542.

The product of its (nonzero) digits is 7875, while the sum is 32.

The square root of 55150097 is about 7426.3111300295. The cubic root of 55150097 is about 380.6408783707.

The spelling of 55150097 in words is "fifty-five million, one hundred fifty thousand, ninety-seven".