55900877 has 4 divisors (see below), whose sum is σ = 55935516. Its totient is φ = 55866240.

The previous prime is 55900853. The next prime is 55900909. The reversal of 55900877 is 77800955.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77800955 = 5 ⋅15560191.

It can be written as a sum of positive squares in 2 ways, for example, as 52113961 + 3786916 = 7219^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 55900877 - 2¹⁰ = 55899853 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 (55900807) 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, 14774 + ... + 18167.

It is an arithmetic number, because the mean of its divisors is an integer number (13983879).

Almost surely, 2^55900877 is an apocalyptic number.

It is an amenable number.

55900877 is a deficient number, since it is larger than the sum of its proper divisors (34639).

55900877 is a wasteful number, since it uses less digits than its factorization.

55900877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34638.

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 55900877 is about 7476.6889061937. The cubic root of 55900877 is about 382.3603705256.

The spelling of 55900877 in words is "fifty-five million, nine hundred thousand, eight hundred seventy-seven".