55415434 has 8 divisors (see below), whose sum is σ = 83778048. Its totient is φ = 27489420.

The previous prime is 55415431. The next prime is 55415453. The reversal of 55415434 is 43451455.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 55415396 and 55415405.

It is not an unprimeable number, because it can be changed into a prime (55415431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108832 + ... + 109339.

It is an arithmetic number, because the mean of its divisors is an integer number (10472256).

Almost surely, 2^55415434 is an apocalyptic number.

55415434 is a deficient number, since it is larger than the sum of its proper divisors (28362614).

55415434 is a wasteful number, since it uses less digits than its factorization.

55415434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218300.

The product of its digits is 24000, while the sum is 31.

The square root of 55415434 is about 7444.1543508984. The cubic root of 55415434 is about 381.2503458207.

Adding to 55415434 its reverse (43451455), we get a palindrome (98866889).

The spelling of 55415434 in words is "fifty-five million, four hundred fifteen thousand, four hundred thirty-four".