55138034 has 12 divisors (see below), whose sum is σ = 96210414. Its totient is φ = 23630544.

The previous prime is 55138033. The next prime is 55138051. The reversal of 55138034 is 43083155.

It can be written as a sum of positive squares in only one way, i.e., 32547025 + 22591009 = 5705^2 + 4753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55137988 and 55138006.

It is not an unprimeable number, because it can be changed into a prime (55138033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281219 + ... + 281414.

Almost surely, 2^55138034 is an apocalyptic number.

55138034 is a deficient number, since it is larger than the sum of its proper divisors (41072380).

55138034 is a wasteful number, since it uses less digits than its factorization.

55138034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562649 (or 562642 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 55138034 is about 7425.4989057975. The cubic root of 55138034 is about 380.6131237762.

The spelling of 55138034 in words is "fifty-five million, one hundred thirty-eight thousand, thirty-four".