55374877 has 4 divisors (see below), whose sum is σ = 56419740. Its totient is φ = 54330016.

The previous prime is 55374853. The next prime is 55374881. The reversal of 55374877 is 77847355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18481401 + 36893476 = 4299^2 + 6074^2 .

It is a cyclic number.

It is not a de Polignac number, because 55374877 - 2⁷ = 55374749 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 (55374827) 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, 522352 + ... + 522457.

It is an arithmetic number, because the mean of its divisors is an integer number (14104935).

Almost surely, 2^55374877 is an apocalyptic number.

It is an amenable number.

55374877 is a deficient number, since it is larger than the sum of its proper divisors (1044863).

55374877 is a wasteful number, since it uses less digits than its factorization.

55374877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044862.

The product of its digits is 823200, while the sum is 46.

The square root of 55374877 is about 7441.4297685324. The cubic root of 55374877 is about 381.1573143139.

The spelling of 55374877 in words is "fifty-five million, three hundred seventy-four thousand, eight hundred seventy-seven".