55702022 has 4 divisors (see below), whose sum is σ = 83553036. Its totient is φ = 27851010.

The previous prime is 55702019. The next prime is 55702027. The reversal of 55702022 is 22020755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22020755 = 5 ⋅4404151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55702027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13925504 + ... + 13925507.

It is an arithmetic number, because the mean of its divisors is an integer number (20888259).

Almost surely, 2^55702022 is an apocalyptic number.

55702022 is a deficient number, since it is larger than the sum of its proper divisors (27851014).

55702022 is a wasteful number, since it uses less digits than its factorization.

55702022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27851013.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 55702022 is about 7463.3787254835. The cubic root of 55702022 is about 381.9064443826.

Adding to 55702022 its reverse (22020755), we get a palindrome (77722777).

The spelling of 55702022 in words is "fifty-five million, seven hundred two thousand, twenty-two".