55426953 has 16 divisors (see below), whose sum is σ = 79246080. Its totient is φ = 34334976.

The previous prime is 55426949. The next prime is 55426967. The reversal of 55426953 is 35962455.

It is not a de Polignac number, because 55426953 - 2² = 55426949 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55426913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2850 + ... + 10907.

It is an arithmetic number, because the mean of its divisors is an integer number (4952880).

Almost surely, 2^55426953 is an apocalyptic number.

It is an amenable number.

55426953 is a deficient number, since it is larger than the sum of its proper divisors (23819127).

55426953 is a wasteful number, since it uses less digits than its factorization.

55426953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13856.

The product of its digits is 162000, while the sum is 39.

The square root of 55426953 is about 7444.9280050246. The cubic root of 55426953 is about 381.2767603540.

The spelling of 55426953 in words is "fifty-five million, four hundred twenty-six thousand, nine hundred fifty-three".