55348577 has 4 divisors (see below), whose sum is σ = 58261680. Its totient is φ = 52435476.

The previous prime is 55348561. The next prime is 55348619. The reversal of 55348577 is 77584355.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77584355 = 5 ⋅15516871.

It is a cyclic number.

It is not a de Polignac number, because 55348577 - 2⁴ = 55348561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55348507) 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, 1456523 + ... + 1456560.

It is an arithmetic number, because the mean of its divisors is an integer number (14565420).

Almost surely, 2^55348577 is an apocalyptic number.

It is an amenable number.

55348577 is a deficient number, since it is larger than the sum of its proper divisors (2913103).

55348577 is a wasteful number, since it uses less digits than its factorization.

55348577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913102.

The product of its digits is 588000, while the sum is 44.

The square root of 55348577 is about 7439.6624251373. The cubic root of 55348577 is about 381.0969618861.

The spelling of 55348577 in words is "fifty-five million, three hundred forty-eight thousand, five hundred seventy-seven".