55153622 has 8 divisors (see below), whose sum is σ = 82940016. Its totient is φ = 27506952.

The previous prime is 55153603. The next prime is 55153639. The reversal of 55153622 is 22635155.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33938 + ... + 35525.

It is an arithmetic number, because the mean of its divisors is an integer number (10367502).

Almost surely, 2^55153622 is an apocalyptic number.

55153622 is a deficient number, since it is larger than the sum of its proper divisors (27786394).

55153622 is a wasteful number, since it uses less digits than its factorization.

55153622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69862.

The product of its digits is 9000, while the sum is 29.

The square root of 55153622 is about 7426.5484580658. The cubic root of 55153622 is about 380.6489879394.

Adding to 55153622 its reverse (22635155), we get a palindrome (77788777).

The spelling of 55153622 in words is "fifty-five million, one hundred fifty-three thousand, six hundred twenty-two".