55342930 has 16 divisors (see below), whose sum is σ = 100586304. Its totient is φ = 21921840.

The previous prime is 55342927. The next prime is 55342951. The reversal of 55342930 is 3924355.

It is a junction number, because it is equal to n+sod(n) for n = 55342892 and 55342901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25836 + ... + 27895.

It is an arithmetic number, because the mean of its divisors is an integer number (6286644).

Almost surely, 2^55342930 is an apocalyptic number.

55342930 is a deficient number, since it is larger than the sum of its proper divisors (45243374).

55342930 is a wasteful number, since it uses less digits than its factorization.

55342930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53841.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 55342930 is about 7439.2828955485. The cubic root of 55342930 is about 381.0840008318.

It can be divided in two parts, 5534 and 2930, that added together give a square (8464 = 92²).

The spelling of 55342930 in words is "fifty-five million, three hundred forty-two thousand, nine hundred thirty".