55245010090 has 32 divisors (see below), whose sum is σ = 104794427520. Its totient is φ = 20911017024.

The previous prime is 55245010081. The next prime is 55245010091. The reversal of 55245010090 is 9001054255.

It is a super-2 number, since 2×55245010090² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55245010091) 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, 859 + ... + 332401.

It is an arithmetic number, because the mean of its divisors is an integer number (3274825860).

Almost surely, 2^55245010090 is an apocalyptic number.

55245010090 is a deficient number, since it is larger than the sum of its proper divisors (49549417430).

55245010090 is a wasteful number, since it uses less digits than its factorization.

55245010090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332446.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 55245010090 in words is "fifty-five billion, two hundred forty-five million, ten thousand, ninety".