55107426 has 16 divisors (see below), whose sum is σ = 120234528. Its totient is φ = 16699200.

The previous prime is 55107419. The next prime is 55107469. The reversal of 55107426 is 62470155.

It is a junction number, because it is equal to n+sod(n) for n = 55107393 and 55107402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417415 + ... + 417546.

It is an arithmetic number, because the mean of its divisors is an integer number (7514658).

Almost surely, 2^55107426 is an apocalyptic number.

55107426 is an abundant number, since it is smaller than the sum of its proper divisors (65127102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55107426 is a wasteful number, since it uses less digits than its factorization.

55107426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834977.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 55107426 is about 7423.4376133972. The cubic root of 55107426 is about 380.5426826065.

The spelling of 55107426 in words is "fifty-five million, one hundred seven thousand, four hundred twenty-six".