55158401010 has 16 divisors (see below), whose sum is σ = 132380162496. Its totient is φ = 14708906928.

The previous prime is 55158401009. The next prime is 55158401017. The reversal of 55158401010 is 1010485155.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1838613367 = 55158401010 / (5 + 5 + 1 + 5 + 8 + 4 + 0 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (55158401017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919306654 + ... + 919306713.

It is an arithmetic number, because the mean of its divisors is an integer number (8273760156).

Almost surely, 2^55158401010 is an apocalyptic number.

55158401010 is an abundant number, since it is smaller than the sum of its proper divisors (77221761486).

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

55158401010 is a wasteful number, since it uses less digits than its factorization.

55158401010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838613377.

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 55158401010 its reverse (1010485155), we get a palindrome (56168886165).

The spelling of 55158401010 in words is "fifty-five billion, one hundred fifty-eight million, four hundred one thousand, ten".