55222037 has 16 divisors (see below), whose sum is σ = 63000000. Its totient is φ = 47983104.

The previous prime is 55222009. The next prime is 55222043. The reversal of 55222037 is 73022255.

It is not a de Polignac number, because 55222037 - 2⁶ = 55221973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55221997 and 55222015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55222637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43589 + ... + 44837.

It is an arithmetic number, because the mean of its divisors is an integer number (3937500).

Almost surely, 2^55222037 is an apocalyptic number.

It is an amenable number.

55222037 is a deficient number, since it is larger than the sum of its proper divisors (7777963).

55222037 is a wasteful number, since it uses less digits than its factorization.

55222037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 55222037 is about 7431.1531406640. The cubic root of 55222037 is about 380.8063142041.

The spelling of 55222037 in words is "fifty-five million, two hundred twenty-two thousand, thirty-seven".