75215054 has 4 divisors (see below), whose sum is σ = 112822584. Its totient is φ = 37607526.

The previous prime is 75215017. The next prime is 75215059. The reversal of 75215054 is 45051257.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75215059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18803762 + ... + 18803765.

It is an arithmetic number, because the mean of its divisors is an integer number (28205646).

Almost surely, 2^75215054 is an apocalyptic number.

75215054 is a deficient number, since it is larger than the sum of its proper divisors (37607530).

75215054 is a wasteful number, since it uses less digits than its factorization.

75215054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37607529.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 75215054 is about 8672.6612985865. The cubic root of 75215054 is about 422.1190226030.

The spelling of 75215054 in words is "seventy-five million, two hundred fifteen thousand, fifty-four".