55945954 has 4 divisors (see below), whose sum is σ = 83918934. Its totient is φ = 27972976.

The previous prime is 55945949. The next prime is 55945957. The reversal of 55945954 is 45954955.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50055625 + 5890329 = 7075^2 + 2427^2 .

It is not an unprimeable number, because it can be changed into a prime (55945957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13986487 + ... + 13986490.

Almost surely, 2^55945954 is an apocalyptic number.

55945954 is a deficient number, since it is larger than the sum of its proper divisors (27972980).

55945954 is a wasteful number, since it uses less digits than its factorization.

55945954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27972979.

The product of its digits is 810000, while the sum is 46.

The square root of 55945954 is about 7479.7028015824. The cubic root of 55945954 is about 382.4631180352.

Subtracting from 55945954 its reverse (45954955), we obtain a palindrome (9990999).

The spelling of 55945954 in words is "fifty-five million, nine hundred forty-five thousand, nine hundred fifty-four".