55156501635 has 16 divisors (see below), whose sum is σ = 89367498240. Its totient is φ = 29044435680.

The previous prime is 55156501619. The next prime is 55156501643. The reversal of 55156501635 is 53610565155.

It is a happy number.

It is not a de Polignac number, because 55156501635 - 2⁴ = 55156501619 is a prime.

It is a super-2 number, since 2×55156501635² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23271601 + ... + 23273970.

It is an arithmetic number, because the mean of its divisors is an integer number (5585468640).

Almost surely, 2^55156501635 is an apocalyptic number.

55156501635 is a deficient number, since it is larger than the sum of its proper divisors (34210996605).

55156501635 is a wasteful number, since it uses less digits than its factorization.

55156501635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46545658.

The product of its (nonzero) digits is 337500, while the sum is 42.

The spelling of 55156501635 in words is "fifty-five billion, one hundred fifty-six million, five hundred one thousand, six hundred thirty-five".