55293129 has 24 divisors (see below), whose sum is σ = 84850272. Its totient is φ = 34577280.

The previous prime is 55293113. The next prime is 55293131. The reversal of 55293129 is 92139255.

55293129 = T₂₅₄₂ + T₂₅₄₃ + ... + T₂₅₅₈.

It is a happy number.

55293129 is a `hidden beast` number, since 5 + 529 + 3 + 129 = 666.

It is not a de Polignac number, because 55293129 - 2⁴ = 55293113 is a prime.

It is a super-2 number, since 2×55293129² = 6114660229221282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55293093 and 55293102.

It is not an unprimeable number, because it can be changed into a prime (55293229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79674 + ... + 80364.

It is an arithmetic number, because the mean of its divisors is an integer number (3535428).

Almost surely, 2^55293129 is an apocalyptic number.

It is an amenable number.

55293129 is a deficient number, since it is larger than the sum of its proper divisors (29557143).

55293129 is a wasteful number, since it uses less digits than its factorization.

55293129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1234 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 55293129 is about 7435.9349781988. The cubic root of 55293129 is about 380.9696588565.

The spelling of 55293129 in words is "fifty-five million, two hundred ninety-three thousand, one hundred twenty-nine".