55098533430 has 48 divisors (see below), whose sum is σ = 149484722400. Its totient is φ = 14054118144.

The previous prime is 55098533341. The next prime is 55098533437. The reversal of 55098533430 is 3433589055.

It is a happy number.

55098533430 is a `hidden beast` number, since 5 + 509 + 85 + 3 + 34 + 30 = 666.

It is a super-2 number, since 2×55098533430² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55098533437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13306755 + ... + 13310894.

It is an arithmetic number, because the mean of its divisors is an integer number (3114265050).

Almost surely, 2^55098533430 is an apocalyptic number.

55098533430 is an abundant number, since it is smaller than the sum of its proper divisors (94386188970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55098533430 is a wasteful number, since it uses less digits than its factorization.

55098533430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26617685 (or 26617682 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 55098533430 in words is "fifty-five billion, ninety-eight million, five hundred thirty-three thousand, four hundred thirty".