55155610046 has 32 divisors (see below), whose sum is σ = 89375367168. Its totient is φ = 25463782080.

The previous prime is 55155610007. The next prime is 55155610051. The reversal of 55155610046 is 64001655155.

It is a happy number.

It is a super-2 number, since 2×55155610046² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55155609991 and 55155610009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16910 + ... + 332561.

It is an arithmetic number, because the mean of its divisors is an integer number (2792980224).

Almost surely, 2^55155610046 is an apocalyptic number.

55155610046 is a deficient number, since it is larger than the sum of its proper divisors (34219757122).

55155610046 is a wasteful number, since it uses less digits than its factorization.

55155610046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349616.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 55155610046 in words is "fifty-five billion, one hundred fifty-five million, six hundred ten thousand, forty-six".