55601137 has 4 divisors (see below), whose sum is σ = 55653376. Its totient is φ = 55548900.

The previous prime is 55601131. The next prime is 55601167. The reversal of 55601137 is 73110655.

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: 73110655 = 5 ⋅14622131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55601137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55601131) 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, 24489 + ... + 26662.

It is an arithmetic number, because the mean of its divisors is an integer number (13913344).

Almost surely, 2^55601137 is an apocalyptic number.

It is an amenable number.

55601137 is a deficient number, since it is larger than the sum of its proper divisors (52239).

55601137 is a wasteful number, since it uses less digits than its factorization.

55601137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52238.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 55601137 is about 7456.6169943212. The cubic root of 55601137 is about 381.6757411147.

The spelling of 55601137 in words is "fifty-five million, six hundred one thousand, one hundred thirty-seven".