55374747 has 8 divisors (see below), whose sum is σ = 74523456. Its totient is φ = 36571272.

The previous prime is 55374743. The next prime is 55374749. The reversal of 55374747 is 74747355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55374747 - 2² = 55374743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55374699 and 55374708.

It is not an unprimeable number, because it can be changed into a prime (55374743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85933 + ... + 86574.

It is an arithmetic number, because the mean of its divisors is an integer number (9315432).

Almost surely, 2^55374747 is an apocalyptic number.

55374747 is a deficient number, since it is larger than the sum of its proper divisors (19148709).

55374747 is a wasteful number, since it uses less digits than its factorization.

55374747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172617.

The product of its digits is 411600, while the sum is 42.

The square root of 55374747 is about 7441.4210336467. The cubic root of 55374747 is about 381.1570160410.

The spelling of 55374747 in words is "fifty-five million, three hundred seventy-four thousand, seven hundred forty-seven".