55814637 has 4 divisors (see below), whose sum is σ = 74419520. Its totient is φ = 37209756.

The previous prime is 55814617. The next prime is 55814641. The reversal of 55814637 is 73641855.

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 not a de Polignac number, because 55814637 - 2¹⁸ = 55552493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55814595 and 55814604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55814617) 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, 9302437 + ... + 9302442.

It is an arithmetic number, because the mean of its divisors is an integer number (18604880).

Almost surely, 2^55814637 is an apocalyptic number.

It is an amenable number.

55814637 is a deficient number, since it is larger than the sum of its proper divisors (18604883).

55814637 is a wasteful number, since it uses less digits than its factorization.

55814637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18604882.

The product of its digits is 100800, while the sum is 39.

The square root of 55814637 is about 7470.9194213296. The cubic root of 55814637 is about 382.1636429622.

The spelling of 55814637 in words is "fifty-five million, eight hundred fourteen thousand, six hundred thirty-seven".