55154323430 has 16 divisors (see below), whose sum is σ = 101960966160. Its totient is φ = 21465466272.

The previous prime is 55154323423. The next prime is 55154323453. The reversal of 55154323430 is 3432345155.

It is a happy number.

It is a super-3 number, since 3×55154323430³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74532500 + ... + 74533239.

It is an arithmetic number, because the mean of its divisors is an integer number (6372560385).

Almost surely, 2^55154323430 is an apocalyptic number.

55154323430 is a deficient number, since it is larger than the sum of its proper divisors (46806642730).

55154323430 is a wasteful number, since it uses less digits than its factorization.

55154323430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149065783.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 55154323430 its reverse (3432345155), we get a palindrome (58586668585).

The spelling of 55154323430 in words is "fifty-five billion, one hundred fifty-four million, three hundred twenty-three thousand, four hundred thirty".