54929970 has 48 divisors (see below), whose sum is σ = 143582400. Its totient is φ = 14569632.

The previous prime is 54929899. The next prime is 54929971. The reversal of 54929970 is 7992945.

54929970 is a `hidden beast` number, since 5 + 492 + 99 + 70 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (54929971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16377 + ... + 19443.

It is an arithmetic number, because the mean of its divisors is an integer number (2991300).

Almost surely, 2^54929970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54929970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71791200).

54929970 is an abundant number, since it is smaller than the sum of its proper divisors (88652430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54929970 is a wasteful number, since it uses less digits than its factorization.

54929970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 54929970 is about 7411.4755615869. The cubic root of 54929970 is about 380.1337710011.

The spelling of 54929970 in words is "fifty-four million, nine hundred twenty-nine thousand, nine hundred seventy".