55516474029 has 4 divisors (see below), whose sum is σ = 74021965376. Its totient is φ = 37010982684.

The previous prime is 55516474021. The next prime is 55516474037. The reversal of 55516474029 is 92047461555.

55516474029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (55516474021) and next prime (55516474037).

It is not a de Polignac number, because 55516474029 - 2³ = 55516474021 is a prime.

It is a super-2 number, since 2×55516474029² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55516474021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9252745669 + ... + 9252745674.

It is an arithmetic number, because the mean of its divisors is an integer number (18505491344).

Almost surely, 2^55516474029 is an apocalyptic number.

It is an amenable number.

55516474029 is a deficient number, since it is larger than the sum of its proper divisors (18505491347).

55516474029 is a wasteful number, since it uses less digits than its factorization.

55516474029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18505491346.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 55516474029 in words is "fifty-five billion, five hundred sixteen million, four hundred seventy-four thousand, twenty-nine".