55412077 has 4 divisors (see below), whose sum is σ = 63328096. Its totient is φ = 47496060.

The previous prime is 55412041. The next prime is 55412081. The reversal of 55412077 is 77021455.

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 55412077 - 2⁷ = 55411949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55412177) 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, 3957999 + ... + 3958012.

It is an arithmetic number, because the mean of its divisors is an integer number (15832024).

Almost surely, 2^55412077 is an apocalyptic number.

It is an amenable number.

55412077 is a deficient number, since it is larger than the sum of its proper divisors (7916019).

55412077 is an equidigital number, since it uses as much as digits as its factorization.

55412077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916018.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 55412077 is about 7443.9288685478. The cubic root of 55412077 is about 381.2426471036.

The spelling of 55412077 in words is "fifty-five million, four hundred twelve thousand, seventy-seven".