55153230451 has 8 divisors (see below), whose sum is σ = 60536286144. Its totient is φ = 49831695720.

The previous prime is 55153230449. The next prime is 55153230493. The reversal of 55153230451 is 15403235155.

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

It is a cyclic number.

It is not a de Polignac number, because 55153230451 - 2¹ = 55153230449 is a prime.

It is a super-2 number, since 2×55153230451² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55153230401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15378361 + ... + 15381946.

It is an arithmetic number, because the mean of its divisors is an integer number (7567035768).

Almost surely, 2^55153230451 is an apocalyptic number.

55153230451 is a deficient number, since it is larger than the sum of its proper divisors (5383055693).

55153230451 is a wasteful number, since it uses less digits than its factorization.

55153230451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30760481.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 55153230451 in words is "fifty-five billion, one hundred fifty-three million, two hundred thirty thousand, four hundred fifty-one".