55340475 has 12 divisors (see below), whose sum is σ = 91496376. Its totient is φ = 29514880.

The previous prime is 55340473. The next prime is 55340477. The reversal of 55340475 is 57404355.

It is an interprime number because it is at equal distance from previous prime (55340473) and next prime (55340477).

It is not a de Polignac number, because 55340475 - 2¹ = 55340473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55340471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368862 + ... + 369011.

It is an arithmetic number, because the mean of its divisors is an integer number (7624698).

Almost surely, 2^55340475 is an apocalyptic number.

55340475 is a deficient number, since it is larger than the sum of its proper divisors (36155901).

55340475 is a wasteful number, since it uses less digits than its factorization.

55340475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737886 (or 737881 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 55340475 is about 7439.1178912557. The cubic root of 55340475 is about 381.0783658148.

The spelling of 55340475 in words is "fifty-five million, three hundred forty thousand, four hundred seventy-five".