55401494 has 8 divisors (see below), whose sum is σ = 83272968. Its totient is φ = 27643840.

The previous prime is 55401449. The next prime is 55401499. The reversal of 55401494 is 49410455.

55401494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55401494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55401499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27227 + ... + 29190.

It is an arithmetic number, because the mean of its divisors is an integer number (10409121).

Almost surely, 2^55401494 is an apocalyptic number.

55401494 is a deficient number, since it is larger than the sum of its proper divisors (27871474).

55401494 is a wasteful number, since it uses less digits than its factorization.

55401494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56910.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 55401494 is about 7443.2179868656. The cubic root of 55401494 is about 381.2183747305.

The spelling of 55401494 in words is "fifty-five million, four hundred one thousand, four hundred ninety-four".